Abstract

Provided is a method for manufacturing an absorbent article, the method making it possible to suppress an installation cost and an installation area of a device. The method for manufacturing the absorbent article includes a continuous-body forming step, a setting step, a continuous-body conveying step, a first manufacturing step, and a second manufacturing step. In the continuous-body forming step, a continuous-body of an absorbent body in a state in which a plurality of absorbent bodies are connected is formed. In the setting step, a conveyance path of the continuous-body is set to one of a first conveyance path and a second conveyance path. In the continuous-body conveying step, the continuous-body is conveyed in the set conveyance path. In the first manufacturing step, the continuous-body conveyed on the first conveyance path is cut and separated into individual absorbent bodies, and a first absorbent article including the separated individual absorbent bodies is manufactured. In the second manufacturing step, the continuous-body conveyed on the second conveyance path is cut and separated into individual absorbent bodies, and the separated individual absorbent bodies are used to manufacture a second absorbent article different in type from the first absorbent article.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided are a manufacturing method and a manufacturing device for a wearing article, with which a wearing article in which a pocket is formed can be manufactured relatively easily. The manufacturing method for the wearing article includes a laminate formation step, an absorber arrangement step, an adhesive application step, and a bonding step. In the laminate formation step, after an elastic member is disposed in a belt-shaped first region on a first sheet, a laminate in which the elastic member is covered with a second sheet is formed. In the absorber arrangement step, an absorber is disposed on a first surface of the laminate. In the adhesive application step, a second region to which an adhesive is applied is formed on the first surface of the laminate. In the bonding step, the first region and the second region are folded back along the longitudinal direction so that the first region covers an end edge of the absorber, and then the second region is bonded to the first surface. The second region includes: a first portion which is formed, between the first portion and a first end edge, with a belt-shaped gap that overlaps the absorber in the bonding step; and a second portion which is adjacent to the gap in the longitudinal direction and is formed so as to be in contact with the first end edge.

IPC Classes  ?

• A61F 13/51 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs

Abstract

Provided is a method for manufacturing absorbent articles that readily suppresses an area in which a manufacturing device is installed. The method for manufacturing absorbent articles includes a conveying step (S1), a moving step (S4), and a supplying step (S6). In the conveying step, absorbent articles aligned in multiple rows along a first direction are conveyed on a first conveying path in a second direction orthogonal to the first direction. In the moving step, rows of absorbent articles that are either even-numbered or odd-numbered when counted along the first direction from the row of absorbent articles farthest upstream in the first direction are moved to a second conveying path different from the first conveying path. In the supplying step, after rows of absorbent articles of divided groups have been moved to the second conveying path, the rows of absorbent articles are conveyed in the first conveying path and the second conveying path in a direction orthogonal to a longitudinal direction of the absorbent articles, and are supplied into respective folding devices corresponding to each row of absorbent articles among a plurality of devices for folding the absorbent articles.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided is a sheet folding device which can reduce the pellet exchange frequency and an operation stop time accompanying a pallet exchange. The sheet folding device includes: (a) first movement unit disposed to be able to be raised/lowered above a placement region; (b) a second movement unit which is supported by the first movement unit and reciprocates along the placement region in a first direction; and (c) a sheet discharge device which is supported by the second movement unit and has a sheet discharge port facing the placement region, the sheet discharge port reciprocating along the placement region in a second direction crossing the first direction. Sheets continuous in the longitudinal direction are discharged from the sheet discharge port of the sheet discharge device so that the width direction of the sheets crosses the second direction.

IPC Classes  ?

• B65H 45/107 - Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by means of swinging or reciprocating guide bars
• B65H 45/16 - Rotary folders

Abstract

The purpose of the present invention is to reliably weld both a first nonwoven fabric sheet and a second nonwoven fabric sheet to an elastic member while preventing increase in device cost.　A first nonwoven fabric sheet (2) and a second nonwoven fabric sheet (3) each having a set degree of crystallinity are prepared such that: the first nonwoven fabric sheet (2) has a first welding temperature range (E1), which is a temperature range including a first temperature (T1) determined by a heat quantity from an ultrasonic horn (11) and the distance in a prescribed direction from the ultrasonic horn (11) to the first nonwoven fabric (2) and enabling the first nonwoven fabric sheet (2) to be welded to an elastic member (4); and the second nonwoven fabric sheet (3) has a second welding temperature range (E2), which is a temperature range including a second temperature (T2) determined by the heat quantity from the ultrasonic horn (11) and the distance in the opposing direction from the ultrasonic horn (11) to the second nonwoven fabric sheet (3) and enabling the second nonwoven fabric sheet (3) to be welded to the elastic member (4).

IPC Classes  ?

• B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations
• B32B 5/04 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by a layer being specifically extensible by reason of its structure or arrangement
• D04H 3/16 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

Abstract

A method of manufacturing disposable wearable articles includes: a step of carrying in a continuous direction a first continuous web for forming pocket members; a step of forming a pocket web by placing a first elastic member in a stretched state on the first continuous web; a cutting step of successively cutting the pocket web to obtain pocket members with a predetermined length; an orientation changing step of changing the orientation of the pocket members by turning the pocket member so that a carrying direction of the pocket member aligns with a width direction of the pocket member; a repitch step of increasing a spacing between mutually adjacent pocket members; and a placement step of placing the pocket members across a pair of three-dimensional gathers, wherein the cutting step, the orientation changing step, and the placement step are performed on a suction drum.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/494 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means

Abstract

A manufacturing device includes a guiding part that guides an elastic member between a pair of sheets conveyed by a pair of nip rolls; a moving mechanism that reciprocates the guiding part along a moving path; and a reciprocation control part. The moving mechanism has a first rotation member that is rotatable about a first rotation center shaft and capable of changing a first rotation radius connecting the guiding part and the first rotation center shaft to each other, and a second rotation member that is rotatable about a second rotation center shaft, connected to the first rotation member so as to be rotatable each other, and capable of changing a second rotation radius connecting the guiding part and the second rotation center shaft to each other. The reciprocation control part synchronizes rotation of the first rotation member and rotation of the second rotation member with each other.

IPC Classes  ?

• B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
• B32B 37/20 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of continuous webs only
• B32B 38/18 - Handling of layers or the laminate
• B32B 41/00 - Arrangements for controlling or monitoring lamination processesSafety arrangements

Abstract

Provided is a wearable article manufacturing method that makes it possible to achieve a reduction in size of a manufacturing facility. This wearable article manufacturing method is a method for manufacturing a wearable article having: an absorbent body that is placed on the crotch of a wearer and extends in a first direction between a first end and a second end; a first torso member that is connected to the absorbent body on the first end side and is placed on the front of the torso of the wearer when the wearable article is worn; and a second torso member that is connected to the absorbent body on the second end side and is placed on the back of the torso of the wearer when the wearable article is worn. The wearable article manufacturing method comprises: a step for conveying a sheet (S) to be formed into the first torso member and the second torso member in a second direction (D2); and a folding step. The second direction is orthogonal to the width direction (W) of the sheet, and the width direction of the sheet extends along the torso of the wearer when the wearable article is worn on the wearer. In the folding step, opposite ends of the conveyed sheet in the width direction are folded toward the center in the width direction of the sheet.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies

Abstract

A laminate in which a thermoplastic elastomer film having greater stretchability in a stretch direction than in a width direction orthogonal to the stretch direction and nonwoven fabric sheets are laminated to each other, wherein the elastomer film and the sheets are laminated by being heat fused to each other at bonded portions intermittently arranged in the width direction and the stretch direction, and the sum of lengths of the bonded portions in the width direction in at least one side edge portion in the width direction per unit area of the laminate in that side edge portion is greater than the sum of lengths of the bonded portions in the width direction in a non-side edge portion in the width direction per unit area of the laminate in that non-side edge portion.

IPC Classes  ?

• B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
• B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
• B32B 7/02 - Physical, chemical or physicochemical properties
• B32B 7/05 - Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection

Abstract

Provided are an engagement surface formation device that forms an engagement surface on a sheet so that parts of the sheet other than the engagement surface are hardly affected by heat, and a method for manufacturing a wearing article using the device. An engagement surface formation device (50) comprises: a first rotating body (60) that has a first heater (64) and a first body (62), the first body rotating about a first rotation axis (O1); and a second rotating body (70) that has a second heater (76), a second body (72) and a forming member (74) attached to the second body, the second body rotating about a second rotation axis (O2). The forming member is disposed so as to protrude locally in the circumferential direction of the second rotation axis and to the outside of the second body in the radial direction. An outer peripheral surface (72a) of the first body and an outer peripheral surface (74a) of the forming member sandwich the sheet conveyed between the first rotating body and the forming member, and form an embossed engagement surface on the sheet discontinuously in the conveying direction of the sheet.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided is a manufacturing apparatus for a wearable article which is formed by joining a plurality of sheets to each other, the manufacturing apparatus being capable of suppressing abnormal wear of a sheet joining mechanism. The manufacturing apparatus for a wearable article is provided with: a conveyance device that conveys a laminated sheet-like object; and a sheet joining device that has a rotationally driven rotating body, a joining mechanism attached to the rotating body, and a mechanical drive mechanism, and that joins sheet-like objects of the laminated sheet-like object to each other. The joining mechanism includes a first joining member and a second joining member, and sandwiches the laminated sheet-like object between a first surface of the first joining member and a second surface of the second joining member to perform ultrasonic joining. The mechanical drive mechanism moves the first joining member between a first position where the first surface and the second surface are spaced apart from each other in a first direction perpendicular to the second surface, and a second position where the first surface and the second surface sandwich a plurality of sheets. The mechanical drive mechanism includes a motor and a transmission mechanism that converts the force of the motor into a motion of the first joining member.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs

Abstract

Provided is an absorbent body manufacturing device and manufacturing method that are capable of manufacturing an absorbent body having a hybrid structure of a desired shape with high accuracy. A manufacturing device (1000A) comprises: an absorbent sheet forming unit (100) that forms an absorbent sheet (Sa) in which SAP is dispersed between a first sheet (S1) and a second sheet (S2), and presses the absorbent sheet with a press device; and a fiber stacking unit (300) that stacks fibers to form a fluff absorbent body (Fa), and stacks the fluff absorbent body on the absorbent sheet. When stacking the fluff absorbent body on the absorbent sheet, the fiber stacking unit overlaps a channel portion of the fluff absorbent body in which no fibers are arranged with a channel region of the absorbent sheet in which SAP is not dispersed.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A transport device includes a plurality of pads that hold and transport a workpiece while a peripheral speed is changed. The transport device further includes: a rotation shaft having an axial line serving as a rotation center; a rotation body that rotates around the rotation shaft; the plurality of pads that hold and transport the workpiece while the peripheral speed is changed with respect to the rotation shaft; transmission mechanisms that change a speed of each pad; and a motor provided for each pad and including an output shaft that drives each of the transmission mechanisms. In the transport device, each motor is attached to the rotation body, and is arranged around the axial line of the rotation shaft such that the output shafts are parallel to each other in a direction in which the axial line of the rotation shaft extends.

IPC Classes  ?

• B65G 47/84 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements

Abstract

According to the present invention, a stretchable composite sheet is kept in a stably stretched state when the stretchable composite sheet being stretched is processed at a predetermined cycle.　A stretchable composite sheet (8) is prepared in which a nonwoven fabric sheet (4, 6) and a stretchable elastic member (3) are joined to each other at a plurality of locations spaced from each other so that folds are formed in the nonwoven fabric sheet (4, 6) when the elastic member (3) is not under tension, and is supplied to a processing line (20) while being kept in a state stretched to a first stretch rate (S1), thereby manufacturing a disposable article. In the processing line (20), the stretchable composite sheet (8) stretched to the first stretch rate (S1) is relaxed to a second stretch rate (S2) lower than the first stretch rate (S1), the stretchable composite sheet (8a) relaxed is subjected to a drawing process, the stretchable composite sheet (8b) subjected to the drawing process is stretched to a third stretch rate (S3) higher than the first stretch rate (S1), and the stretchable composite sheet (8d) being stretched to the third stretch rate (S3) is processed at a predetermined cycle.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided are a method and an apparatus for manufacturing an absorbent sheet used for an absorbent article, with which it is possible to reduce the manufacturing cost of an absorbent sheet in which absorbent materials are arranged in two layers.　A first continuous sheet (2) is wound around a first conveyance roll (12a) and conveyed, a first absorbent material (3) is supplied to the first continuous sheet (2) being conveyed, and a second continuous sheet (4) is overlapped onto the first continuous sheet (2) so as to cover the first absorbent material (3) to form a first composite sheet (7). The first composite sheet (7) is wound around a second conveyance roll (14a) and conveyed, a second absorbent material (5) is supplied to the first composite sheet (7) being conveyed, and a third continuous sheet (6) is overlapped onto the first composite sheet (7) so as to cover the second absorbent material (5) to form a second composite sheet (8). The second composite sheet (8) is compressed in the thickness direction to form an absorbent sheet (9).

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/534 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
• A61F 13/535 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes

Abstract

Provided is a method which is for manufacturing a disposable wearable article, and with which it is possible to manufacture disposable wearable articles having a stable quality by processing, in a stretched state, stretchable composite sheets accumulated in a state of natural length.　A sheet accumulation unit (8) in which stretchable composite sheets (2) are accumulated in a state of natural length is prepared at a prescribed position, and then the stretchable composite sheets (2) at the sheet accumulation unit (8) are conveyed without having any tension applied to the stretchable composite sheets (2) and are supplied to a processing line (20) for disposable articles. In the processing line (20), the stretchable composite sheets (2) being conveyed without having any tension applied thereto are stretched to a prescribed stretching rate by using a stretching device (26). The stretched stretchable composite sheets (2a) are received from the stretching device (26), and processing is performed on the stretchable composite sheets (2a) at a prescribed cycle by using a processing device (28) while being conveyed in a state of having the prescribed stretching rate. The stretching device (26) is provided in the vicinity of the processing device (28).

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided is an absorbent article which prevents liquid from leaking from an edge of a top sheet. This absorbent article comprises a top sheet, a back sheet, and an absorber. The top sheet is made of a semi-hydrophilic nonwoven fabric. The back sheet is made of a hydrophobic sheet disposed at a prescribed interval from the top sheet. The absorber is interposed between the top sheet and the back sheet. In the absorbent article having the top sheet made of a semi-hydrophilic nonwoven fabric, the time it takes for a liquid that has made contact with the surface of the top sheet to permeate the same and spread is longer than when a hydrophilic nonwoven fabric is used for the top sheet. For this reason, much of the liquid that has made contact with the surface of the top sheet passes through the top sheet and reaches an accommodation sheet before permeating the top sheet and spreading along planar directions. Consequently, in the absorbent article, liquid that has made contact with the surface of the top sheet permeates along planar directions of the top sheet before passing therethrough, whereby leakage from an edge is prevented.

IPC Classes  ?

• A61F 13/511 - Topsheet, i.e. the permeable cover or layer facing the skin
• A61F 13/513 - Topsheet, i.e. the permeable cover or layer facing the skin having areas of different permeability
• A61F 13/515 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads characterised by the interconnection of the topsheet and the backsheet
• A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
• A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers

Abstract

A manufacturing method for a wearing item repeatedly executes: a step of, at a preceding pad, receiving and holding a distal end part of a continuous body to convey; a step of, at a following pad, catching up with the preceding pad; a both holding step of, at both of the preceding pad and the following pad, holding the continuous body; and a cutting step of cutting the distal end part of the continuous body to generate an individual workpiece on the preceding pad, and, in the both holding step, relative speeds of both of the pads are equal to each other, and both of the pads rotate at a non constant speed in at least part of a zone, the continuous body is fed from the feeder at the non-constant speed in response to a change in a speed of the pads that rotate at the non-constant speed.

IPC Classes  ?

• B65H 35/04 - Delivering articles from cutting or line-perforating machinesArticle or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• B65H 5/12 - Revolving grippers, e.g. mounted on arms, frames, or cylinders
• B65H 20/34 - Arrangements for accumulating surplus web by making loops with rollers
• B65H 39/14 - Associating sheets with webs

Abstract

A wearable article (1) comprises an absorbent article (20) disposed in the crotch of a wearer. The absorbent article extends, in a first direction, between a first end which, when worn, is disposed on a front trunk side of the wearer and a second end which, when worn, is disposed on a rear trunk side of the wearer. The absorbent article includes: a front sheet group (30) that, when worn, is disposed on a wearer skin side and that extends between the front trunk and the rear trunk of the wearer; a hydrophobic backsheet (42) that, when worn, extends between the front trunk and the rear trunk of the wearer; and an absorbent core disposed between the front sheet group and the back sheet. A semi-hydrophilic material of a first end section of the absorbent article is disposed on the wearer skin side, the first end section being an end section on a first end side or an end section on a second end side.

IPC Classes  ?

• A61F 13/494 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/511 - Topsheet, i.e. the permeable cover or layer facing the skin
• A61F 13/513 - Topsheet, i.e. the permeable cover or layer facing the skin having areas of different permeability

Abstract

The present invention provides a method of manufacturing an wearing article including: a front waist part which includes a left-front end and a right-front end; and a rear waist part which includes a left-rear end and a right-rear end forming, together with the left-front end and a right-front end, a left-side sealing portion and a right-side sealing portion. In the method, the left-side sealing portion in a layered state in which a fiber-supplemented sheet formed from a nonwoven fabric is layered on an elastic fiber sheet is formed in at least a portion of the article, the right-side sealing portion in the layered state is formed in at least a portion of the article, and, in at least a portion of the elastic fiber sheet, the fiber-supplemented sheet is not layered such that airflow is allowed to pass through the elastic fiber sheet.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs

Abstract

In an apparatus (1) for manufacturing a wearable article (11), a cutting device (3) has a cutting roll (5) and a first cutting part (54) and a second cutting part (55) attached to the cutting roll (5). A controller (6) that controls the cutting roll (5) is configured to be capable of switching between a first mode in which the first cutting part (54) is a selected cutting part and a second cutting part (55) is a non-selected cutting part, and a second mode in which the second cutting part (55) is a selected cutting part and the first cutting part (54) is a non-selected cutting part. The controller (6) controls the rotational speed of the cutting roll (5) so that in each of the first mode and the second mode, the selected cutting part cuts an intermediate portion (133) of an elastic member (13) in a continuous sheet (SH) of the wearable article, and the non-selected cutting part faces into a leg hole forming region (14) in the continuous sheet (SH) of the wearable article.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided is a particulate matter dispersing device capable of suppressing leakage of particulate matter from a rotating body.　A particulate matter dispersing device (1) comprises a rotating body (6) including a cylindrical portion (6a) supported by a supporting portion (5) so as to be capable of rotating about a rotational axis (C1) extending in a horizontal direction, and dispersion holes (6b) penetrating through the cylindrical portion in a hole-forming region (R1) in a portion, in an axial direction along the rotational axis (C1), of the cylindrical portion (6a), and a particulate matter introduction member (7) which includes an accommodating portion (7a) having an accommodating space (SP) for accommodating particulate matter, and an opening portion (7b) provided in a lower end portion of the accommodating portion (7a) to introduce the particulate matter into the cylindrical portion (6a), and which is attached to the supporting portion (5) such that the opening portion (7b) is disposed inside the cylindrical portion (6a), wherein an edge portion of the opening portion (7b) of the accommodating portion (7a) is in slidable contact with a region of an inner circumferential surface of the cylindrical portion (6a) lower than the rotational axis (C1), in a state covering the entire hole-forming region (R1) in the axial direction so as to confine the particulate matter between the edge portion and the cylindrical portion (6a).

IPC Classes  ?

• B05C 19/04 - Apparatus specially adapted for applying particulate materials to surfaces the particulate material being projected, poured or allowed to flow onto the surface of the work
• B05B 3/02 - Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
• B65G 65/32 - Filling devices
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

The purpose of the present invention is to provide a wearable article production device that is capable of suppressing the occurrence of bonding defects caused by a pinching element pinching together an absorber and a sheet, and to provide a wearable article production method in which the wearable article production device is used. This wearable article has an absorber and a waist member. The waist member is configured from a belt-form laminate made of stacked sheets. At least one longitudinal-direction end of the absorber is bonded to the waist member. The wearable article production device comprises two pinching elements that pinch the laminate in the stacking direction and bond the sheets to each other. At least one of the two pinching elements has a recess formed therein, the recess accommodating the absorber when the sheets are bonded to each other. The two pinching elements bond the sheets to each other in a region where the laminate and the absorber do not overlap.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies

Abstract

Provided is a cutting device that can suppress folding back and detachment of a sheet after cutting.　This cutting device (1) comprises: a rotating body (2); holding parts (3) having a holding surface (3a1); an anvil (4) provided between two adjacent holding parts (3); a cutter (5) for cutting a disposable diaper (50) between an outer facing surface (4b1) of the anvil (4) and the cutter at a pre-set cutting position (P2); and a restricting member (6) that is provided between the holding parts (3) and the anvil (4), and that, in a state in which the anvil (4) has rotated to the cutting position (P2), inhibits the end of the disposable diaper (50) cut by the cutter from extending inward in the radial direction from the holding surface (3a1) on the holding parts (3) and contacting a side surface (3a4) facing the circumferential direction.

IPC Classes  ?

• B26D 1/40 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
• B26D 7/02 - Means for holding or positioning work with clamping means
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided is an absorbent article capable of suppressing leakage of liquid that could not be absorbed from edges in the longitudinal direction.　An absorbent article (10) comprises: a first absorbent layer (20) formed with a crushed fibrous material and extending in the longitudinal direction; and a second absorbent layer (30) formed with a sheet-like material retaining an absorbent resin material and falling into the region of the first absorbent layer (20) in the planar view. The first absorbent layer (20) includes, in the planar view, an overlapping part (21k) that overlaps with the region of the second absorbent layer (30), and protruding parts (21p, 21q) that protrude in the longitudinal direction from the region of the second absorbent layer (30). The absorbent article (10) is used so that the first absorbent layer (20) is positioned on the side of a user and the second absorbent layer (30) is positioned on the opposite side of the user relative to the first absorbent layer (20).

IPC Classes  ?

• A61F 13/534 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
• A61F 13/535 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
• A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers

Abstract

Provided is an absorbent sheet capable of preventing channel crushing.　The absorbent sheet (10) comprises: a base sheet (12); a plurality of absorbent layers (21 to 23) which contain a superabsorbent polymer resin and which are disposed apart from each other on a main surface (12s) of the base sheet (12); and a covering sheet (14) covering the main surface (12s) of the base sheet (12) and the absorbent layers (21 to 23). This absorbent sheet (10) is configured so that, when the superabsorbent polymer resin in the absorbent layers (21 to 23) swells, the base sheet (12) is more easily deformed than the covering sheet (14).

IPC Classes  ?

• A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
• A61F 13/534 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
• A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers

Abstract

This splice device, for superposing a starting end section S of a waiting web 11R on a terminal end section E of a leading web 11L and connecting the webs, comprises: a first pad 31L that extends obliquely and parallel to a first cutter 21L and holds the terminal end section E of the first web 11L downstream from the first cutter 21L; a second pad 31R that extends obliquely and parallel to a second cutter 21R and holds the starting end section S of a second web 11R downstream from the second cutter 21R, and that joins both webs with the webs interposed between the first pad 31L and the second pad 31R; and a displacement device 60 that is configured so as to be capable of displacing the position of a discharge roll 6 so that a first pass line 1L of the first web 11L and a second pass line 1R of the second web 11R are parallel to each other.

IPC Classes  ?

• B65H 21/00 - Apparatus for splicing webs

Abstract

Provided are a conveyance form changing device and a conveyance form changing method for absorbent articles, with which, when some kind of processing is performed on absorbent articles being conveyed in a plurality of rows, it is possible to reduce the installation cost and the installation area of a device that performs the processing. A conveyance form changing device (100) for absorbent articles (20) comprises a first conveyance unit (110), a second conveyance unit (120), and a movement unit (200). The first conveyance unit conveys the absorbent articles, which are arranged in a plurality of rows in a first direction (CD1), in a first conveyance direction (MD1) orthogonal to the first direction. The second conveyance unit conveys the absorbent articles in a row along a second conveyance direction (MD2). The movement unit moves the absorbent articles conveyed by the first conveyance unit to the second conveyance unit.

IPC Classes  ?

• B65G 47/30 - Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided are a web joining device and a web joining method that enable web joining to be performed in a short period of time, and save labor for the work of an operator. A web joining device (100) is provided with a first support part (10), a second support part (20), a first joining member (30), and a second joining member (40). The first support part supports a first roll (R1) on which a first web (W1) is wound. The second support part supports a second roll (R2) on which a second web (W2) is wound. The second joining member, together with the first joining member, sandwiches the first web fed out from the first roll and the second web fed out from the second roll in an overlapped state. The first joining member and the second joining member weld the sandwiched first web and second web together.

IPC Classes  ?

• B29C 65/02 - Joining of preformed partsApparatus therefor by heating, with or without pressure

Abstract

Provided is an article accumulation apparatus that feeds articles, using a plurality of conveyance units, to a rotating belt mechanism for accumulating articles, and that can minimize malfunction when articles are being fed to the rotating belt mechanism. An article accumulation apparatus (10) comprises a rotating belt mechanism (200) and a plurality of conveyance units (100). The rotating belt mechanism includes: a plurality of pulleys (220); a belt (210) which is bridged over the pulleys and which is conveyed in a conveyance direction; and a plurality of plates (230) which extend from the outer surface (212) of the belt in a direction orthogonal to the belt outer surface and which are arranged along the conveyance direction of the belt. Accommodation spaces (S) are formed between the plates adjacent to one another in the belt conveyance direction. The conveyance units feed articles (P) into the accommodation spaces in the rotating belt mechanism. The plurality of conveyance units are associated with respectively different ones of the pulleys and feed articles into the accommodation spaces between the plates which are widen apart by the corresponding pulleys.

IPC Classes  ?

• B65G 47/84 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements

Abstract

A method for producing a wearing article includes: a step of producing a waist member including a waist body and male fasteners; a step of joining an absorber to the waist body; and a step of engaging the male fastener and a female fastener of the absorber with each other by folding the absorber in two in an orthogonal direction, then folding, in a width direction, both side portions of the waist member, in which the step of producing the absorber includes a step of producing a core by holding an SAP on a core-side first non-woven fabric so as to form a first low-density region that holds an SAP having a lower density than an SAP in a holding region for holding the SAP and that is adjacent in an orthogonal direction to both end portions of the holding region in the orthogonal direction.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided are a device and a method for producing a stretchable laminated sheet having excellent breathability. This device (100) for producing a stretchable laminated sheet (L) stacks nonwoven sheets (S1, S2) and a stretchable film (F) and joins the nonwoven sheets and the film. The device for producing a stretchable laminated sheet comprises a laminating/joining mechanism (48) and a laminated-sheet-stretching mechanism (60). The laminating/joining mechanism has an elongation roll (40) and a horn (43). The laminating/joining mechanism sandwiches a laminate (B) in which the nonwoven sheets and the stretched film are stacked between an elongation roll and a horn and thermally bonds the nonwoven sheets and the film together to form a stretchable laminated sheet. The laminated-sheet-stretching mechanism has a pair of gear rolls (62, 64) having bumps and dips on the circumferential surfaces thereof. The laminated-sheet-stretching mechanism stretches the stretchable laminated sheet that is conveyed between the pair of gear rolls.

IPC Classes  ?

• B29C 55/06 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
• C23F 3/00 - Brightening metals by chemical means
• D04H 1/555 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving by ultrasonic heating
• B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations

Abstract

A wearing article includes: a waist member including a waist body capable of expanding and contracting in a width direction and a male fastener; and an absorber that is disposed on a back portion, a crotch portion, and a front abdomen portion of a wearer. The absorber includes a core, a front sheet, a back sheet, and a female fastener. The core includes a core-side first non-woven fabric having a holding region holding an SAP and a first low-density region holding the SAP that has a low density and is adjacent in the orthogonal direction to both end portions in the orthogonal direction of the holding region. The male fastener and the female fastener are engaged with each other in a state where the absorber is folded in two in the orthogonal direction and both side portions of the waist member are folded in the width direction.

IPC Classes  ?

• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
• A61F 13/56 - Supporting or fastening means
• A61F 13/62 - Fabric strip fastener elements, e.g. hook and loop

Abstract

The present layered stretchable sheet includes: a plurality of attachment portions at which a pair of non-woven fabrics and a film are thermally bonded together, wherein each one of the attachment portions includes at least one thermal bonding area where the pair of non-woven fabrics and the film are thermally bonded together; at least one boundary line that defines the thermal bonding area; a first vent that is defined by a first opening of the film appearing in a stretched state of the film along the boundary line and that exerts air permeability; and a second vent that is defined by a second opening where a part of the film is absent, the second opening being adjacent to the thermal bonding area and being delimited by the boundary line, wherein the second vent exerts air permeability both in the stretched state and in a non-stretched state.

IPC Classes  ?

• A61F 13/514 - Backsheet, i.e. the impermeable cover or layer furthest from the skin
• A41D 1/00 - Garments
• A41D 31/14 - Air permeable, i.e. capable of being penetrated by gases
• D06C 3/06 - Stretching, tentering or spreading textile fabricsProducing elasticity in textile fabrics by rotary disc, roller, or like apparatus
• B29C 65/00 - Joining of preformed partsApparatus therefor
• B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations
• A61F 13/515 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads characterised by the interconnection of the topsheet and the backsheet
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A sheet manufacturing method includes a conveying step of conveying a base material sheet; and a processing step of rotating a pair of processing rolls to sandwich a conveyance path on which the base material sheet is conveyed, wherein irregular portions along respective outer peripheral faces of the processing rolls engage with each other with a clearance to stretch the base material sheet when the base material sheet passes between the processing rolls. In the conveying step, the base material sheet is conveyed such that the base material sheet contacts along the outer peripheral face of one of the processing rolls immediately prior to passing between the processing rolls; and the tension in the conveyance direction applied to the base material sheet immediately prior to reaching the outer peripheral face of the one of the processing rolls is less than 10% of a breaking load of the base material sheet.

IPC Classes  ?

• B29C 55/06 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
• B65H 23/188 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
• B65H 23/192 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web motor-controlled
• D06C 3/06 - Stretching, tentering or spreading textile fabricsProducing elasticity in textile fabrics by rotary disc, roller, or like apparatus
• B29C 55/18 - Shaping by stretching, e.g. drawing through a dieApparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers

Abstract

Provided is a stretchable sheet manufacturing device that forms a stretchable sheet continuous body in which sheets and an elastic member are integrated, and then performs a weakening process for cutting off a portion of the elastic member, wherein bonding failure defects between the sheets and the elastic member are suppressed. The stretchable sheet manufacturing device comprises: a forming device that has an anvil roll (210) and an ultrasonic horn, and forms a stretchable sheet continuous body in which a pair of sheets and an elastic member disposed between the sheets are integrated; and a cutting device. The anvil roll has first protrusions (212a) and second protrusions (212b), and the ultrasonic horn forms a restricting portion on the stretchable sheet continuous body by bonding the pair of sheets between the first protrusions, and forms a fixing portion by bonding the sheets and the elastic member between the second protrusions. The cutting unit cuts off the elastic member of the stretchable sheet continuous body at the restricting portion. The sheets and the elastic member are not bonded at the restricting portion, and the pair of sheets restrict contraction movement of the elastic member during cutting of the elastic member.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/51 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads

Abstract

A control is performed to drive a horn via an ultrasonic wave generator so as to apply ultrasonic energy to a web in one of an outward path and a return path of an anvil and not to apply ultrasonic energy to the web in the other one of the outward path and the return path.

IPC Classes  ?

• B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations
• B29C 65/00 - Joining of preformed partsApparatus therefor
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A device for manufacturing a layered material including an elastic thread sandwiched between a pair of sheets, including: a pair of nip rolls arranged with their axes parallel to each other for nipping the elastic thread between the pair of sheets being conveyed in a conveyance direction; a needle arranged upstream of the nip roll in the conveyance direction for guiding and arranging the elastic thread between the pair of sheets while dispensing the elastic thread through a through hole, through which the elastic thread passes; a needle body that holds the needle; a reciprocating section, to which the needle body is attached, for reciprocating in a width direction, which intersects with the conveyance direction; and a stabilizer that stabilizes the reciprocation of the reciprocating section, wherein the stabilizer is a non-contact-type guide.

IPC Classes  ?

• B32B 37/18 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
• B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
• B32B 37/10 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using direct action of vacuum or fluid pressure
• B32B 38/18 - Handling of layers or the laminate
• B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
• B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

This invention is provided with: a lamination step for placing, intermittently in a continuation direction, and laminating, a plurality of single-sheet-shaped second sheets on a first surface of a first sheet on which an elastic member is disposed, and producing a laminated sheet in which the elastic member is held between the first sheet and the second sheets; a first cutting step for cutting the elastic member at a first cut position on an exposed part of the laminated sheet between adjacent second sheets; a second cutting step for cutting the elastic member and producing a cut piece of the elastic member at a second cut position, downstream of the first cut position, on the exposed part; and a recovering step for recovering the cut piece.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided are: a method for manufacturing a screen forming body which is highly reliable, which is used for a fiber accumulating drum, and with which a screen and a reinforcing member are readily joined firmly; and a fiber accumulating drum equipped with the screen forming body. This method is for manufacturing a screen forming body (200) used for a fiber accumulating drum (100), and comprises: a step for preparing a plate-shaped screen (210b) in which multiple first holes (212) are formed; a step for preparing a plate-shaped reinforcing member (220b) in which multiple second holes (222) are formed; a step for surface-joining the plate-shaped screen and the plate-shaped reinforcing member to integrate said screen and said reinforcing member with one another; and a step for bending the integrated screen and reinforcing member to form the same into an arc shape.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided is a pulverization device which pulverizes a pulp sheet to produce pulp fibers, which is capable of suppressing defects such as burning of the pulp fibers and failure to pulverize the pulp sheet, and which is compact and has high processing performance. A pulverization device (100) is provided with a plurality of rotating blades (122) that are attached to a rotation shaft (124) and that rotate along with the rotation shaft to pulverize a pulp sheet. A pulverization space index I [m3/kg] is defined by the formula (V×N×60 [min])÷Amax, where V [m3] is the volume of a void space in an imaginary cylinder, N [rpm] is the rotational speed of the rotation shaft, and Amax [kg/h] is the maximum pulverization amount. The radius of the imaginary cylinder is the distance from the center of the rotation shaft to an end part of the rotating blade which is disposed furthest from the center of the rotation shaft in the radial direction of the rotation shaft. The height of the imaginary cylinder is the length of the section in which the plurality of rotating blades are disposed in the axial direction of the rotation shaft. V, N, and Amax are set such that the pulverization space index I is not less than 12.0.

IPC Classes  ?

• B02C 18/14 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like with rotating knives within horizontal containers
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• B02C 18/16 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like with rotating knives Details
• D04H 1/04 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated man-made fibres
• D21B 1/06 - Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods

Abstract

Provided are a method and a device for manufacturing a disposable wearable article that can shorten the section for folding an absorbent body in half.　An absorbent body continuous body (2) in which first sections (3) scheduled to become absorbent bodies (4) are connected in a first direction (2x) is conveyed in the first direction (2x), and a waist member continuous body (6) in which second sections (7) scheduled to become waist members (8) are connected in a second direction (6x) is conveyed in the second direction (6x). The absorbent body continuous body (2) is cut to form the absorbent bodies (4), and the absorbent bodies are turned 90 degrees. End sides (4b) of the absorbent bodies that have been turned 90 degrees are joined in a superimposed manner to the waist member continuous body (6) with spaces provided therebetween such that the other end sides (4f) of the absorbent bodies (4) protrude from the waist member continuous body (6), thereby forming a wearable article continuous body (9). The absorbent bodies (4) are folded in half while conveying the wearable article continuous body (9) along a cylindrical conveyance route (56), followed by cutting the wearable article continuous body (9) between adjacent absorbent bodies (5) folded in half.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies

Abstract

Provided are: a mask which can be manufactured with less waste of material and at a high speed; and a method for manufacturing same. A mask body has first and second peripheral edges extending in a first direction and third and fourth peripheral edges extending in a second direction intersecting with the first direction. A pair of ear hooking parts has (i) a pair of extension parts extending along the first and second peripheral edges of the mask body, with one end of each extension part bonded to a side edge part of the mask body; and (ii) a connecting part distinct from the pair of extension parts, the connecting part being bonded to the corresponding other ends of the pair of extension parts and extending in the second direction.

IPC Classes  ?

• A41D 13/11 - Protective face masks, e.g. for surgical use, or for use in foul atmospheres
• A41H 3/00 - Patterns for cutting-outMethods of drafting or marking-out such patterns, e.g. on the cloth

Abstract

This wearable article manufacturing method involves: a sheet preparation step in which an elastic sheet for forming a front abdominal part and a back part is prepared; a sheet weakening step in which the elasticity of the elastic sheet is weakened in a front weakening region, and in a rear weakening region; and an absorbent body connection step in which the front part of the absorbent body is connected to the front connection region of the elastic sheet, and the rear part of the absorbent body is connected to the rear connection region of the elastic sheet. The sheet weakening step is carried out simultaneously for the front weakening region and the rear weakening region.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided are a method and an apparatus which are for manufacturing a disposable wear, and with which it is possible to shorten a section where an absorbent body is to be folded into two parts.　The present invention involves: conveying, in a first direction (2x), an absorbent-body continuum (2) in which first portions (3) to be made into absorbent bodies (4) are connected in the first direction (2x); and conveying, in a second direction (6x), a waist-member continuum (6) in which second portions (7) to be made into waist members (8) are connected in the second direction (6x). The present invention also involves: forming the absorbent bodies (4) by cutting the absorbent-body continuum (2); and forming folded absorbent bodies (5) by folding the absorbent bodies (4) into two parts while conveying the same along a cylindrical conveyance path (28). The present invention also involves: rotating the folded absorbent bodies (5) by 90 degrees; and forming a wear continuum (9) by placing, onto the waist-member continuum (6), the folded absorbent bodies (5), which have been rotated by 90 degrees, apart from each other, and bonding the folded absorbent bodies (5) to the waist-member continuum (6). The present invention also involves: forming disposable wears (10) by cutting the wear continuum (9) at cutting positions (9x) located between the absorbent bodies (4) adjacent to each other.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

An absorbent body production device and an absorbent body production method can suppress scattering of an absorbing substance during spraying of the absorbing substance to a substrate. A substrate is conveyed along a rotating outer circumferential surface of a conveyance drum. A granular absorbing substance is discharged from a spray port of a spray apparatus facing the outer circumferential surface of the conveyance drum, and the absorbing substance is sprayed to the substrate which is conveyed along the outer circumferential surface of the conveyance drum. The spray position at which the absorbing substance is sprayed to the substrate is controlled. For example, the position of the spray port of the spray apparatus, or the angle at which the absorbing substance is discharged from the spray port of the spray apparatus is controlled.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

This ultrasound welding method comprises: a step for applying ultrasound energy to a workpiece; a step for reciprocally moving an anvil between an over-run region and a non-welding region; a step for guiding the anvil so that the anvil is in a first level in which the anvil is spaced apart from a surface level of a horn to prevent the anvil from abutting on the horn at an end portion far from a welding region, and causing the anvil to approach a second level in which the anvil contacts the horn in the welding region; and a step for performing control such that, in the over-run region, the anvil is displaced from the first level to the second level in a non-driven state in which the horn is not being caused to generate ultrasound energy, so that the anvil abuts on the horn without the workpiece therebetween.

IPC Classes  ?

• B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs
• B23K 20/10 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding

Abstract

The present invention provides a method for manufacturing an absorbent body. the method allowing for an increase in variations of the absorbent body.　Formed are: a first absorbent sheet (30) having a first absorbent material (33) disposed in first regions (33a–33c) of first sheets (32a–32c); and a second absorbent sheet (20) having a second absorbent material (23) disposed in second regions (23a, 23b) of a second sheet (22). A continuous body (14) is formed in which the first absorbent sheet (30) and the second absorbent sheet (20) overlap each other such that the first regions (33a–33c) and the second regions (23a, 23b) are adjacent to each other in plan view. The continuous body (14) is cut so that the first regions (33a–33c) and the second regions (23a, 23b) adjacent to each other are included, and as a result thereof, an absorbent body (10) is formed that includes the first and second absorbent materials (33, 23).

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A layered body containing continuous sheets is thermally fused when passing through a space between an anvil roll and an energy applying device to form a layered sheet. A nip stage for sandwiching the layered body is provided upstream of the space between the anvil roll and the energy applying device. The nip stage includes at least one displacement member which is displaced in accordance with the thickness of the layered body sandwiched by the nip stage. Whether the thickness of the layered body sandwiched by the nip stage has deviated from a reference range is detected on the basis of the displacement of the displacement member, and when it is detected that the thickness has deviated from the reference range, the energy applying device is caused to retreat in a direction going away from the anvil roll.

IPC Classes  ?

• B32B 41/00 - Arrangements for controlling or monitoring lamination processesSafety arrangements
• B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
• B32B 37/10 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using direct action of vacuum or fluid pressure

Abstract

Provided is a garment production method that enables efficient production. A cylindrical sleeve member (30) is formed by partially joining a third sheet material to a fourth sheet material that are transferred in a superposed state and cutting the same at a prescribed position. The sleeve member is superposed on a first sheet material (W1) for forming a front-side member (10) to be transferred. The first sheet material to be transferred and a second sheet material (W2) to be transferred are superposed on one another such that the sleeve member superposed on the first sheet material is disposed between the first sheet material and the second sheet material. In a second forming step, the first sheet material and the second sheet material, which are transferred in a superposed state, are partially joined so as to conform to the shape of an outer edge of a garment 1, and then the first and second sheet materials to be transferred in a superposed state are partially cut so as to conform to the shape of the outer edge of the garment 1. The garment formed in the second forming step is then separated from the first and second sheet materials.

IPC Classes  ?

• A41D 13/12 - Surgeons' or patients' gowns or dresses
• A41H 42/00 - Multi-step production lines for making clothes
• A41H 43/04 - Joining garment parts or blanks by gluing or welding

Abstract

Provided is a diaper (6) that is to be sandwiched between an inner cup and an outer cup that fits over the inner cup from the outside, the diaper (6) allowing the inner cup to be attached to a wearer with the inner cup facing the wearer's crotch area. The diaper (6) comprises: a sandwiched sheet part (12) that has unit communication holes (8a), (73a) and is to be sandwiched between an inner cup (20) and an outer cup (30); and a first absorbent part (11) located on the outside of the sandwiched sheet part (12) in a plan view. The sandwiched sheet part (12) has a thin sheet part (14), which is located at the outer peripheral edge of the sandwiched sheet part (12) and is thinner than the first absorbent part (11), and a second absorbent part (13) provided on the inside of the thin sheet part (14) in a plan view.

IPC Classes  ?

• A61F 5/44 - Devices worn by the patient for reception of urine, faeces, catamenial or other dischargeColostomy devices
• A61F 13/495 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies with faecal cavity
• A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad

Abstract

Provided is a pant-type disposable wearable article. Front and back torso parts include a plurality of narrow elongate elastic members extending in the torso direction and arranged parallel to each other, and a pair of sheets holding the elastic members with a plurality of fastening portions that pinch the elastic members and fasten the elastic members at intervals in the torso direction. Side adhesive tapes are disposed in a scattered manner, and have a plurality of dot-like bonding portions that bond and join the front and back torso parts to each other. The plurality of bonding portions include, for each elastic member, upper and lower bonding portions spaced apart in the up-down direction perpendicular to the torso direction. The distance between the upper and lower bonding portions in the up-down direction is greater than a first width of the elastic members in a stretched state and less than a second width of the elastic members in a contracted state.

IPC Classes  ?

• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs

Abstract

A method for manufacturing a wearable article includes: a conveying step of winding a continuous material including a first part and a second part superposed on each other with interposing a absorptive body therebetween around a rotary drum and conveying the continuous material with the absorptive body put into a space between two support faces on an outer peripheral surface of the rotary drum; and a joining step of moving a movable part of a sealer unit outward and homeward in a cross direction crossing a conveyance direction of the continuous material, while the continuous material with the absorptive body put into the space is conveyed by the rotary drum, to form liner sealing areas and thereby joining the first part and the second part to each other through the formed liner sealing areas.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A41H 43/04 - Joining garment parts or blanks by gluing or welding

Abstract

This laminate is obtained by laminating a thermoplastic elastomer film, having greater stretchability in the stretching direction than in the width direction perpendicular to the stretching direction, and a nonwoven fabric sheet to each other, wherein: in each of joining sections which are intermittently arranged in the width direction and the stretching direction, the elastomer film and the nonwoven fabric sheet are laminated by thermal fusion; the sum of the width-direction lengths of the respective joining sections in at least one side edge section per unit area of the laminate in said side edge section in the width direction is greater than the sum of the width-direction lengths of the respective joining sections in a non-side edge section per unit area of the laminate in said non-side edge section in the width direction.

IPC Classes  ?

• B32B 7/05 - Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/51 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads
• B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer

Abstract

123122 when the conveyance rollers (21b, 31g) convey the stretchable sheet (2).

IPC Classes  ?

• B65H 29/04 - Delivering or advancing articles from machinesAdvancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
• B65H 29/28 - Delivering or advancing articles from machinesAdvancing articles to or into piles by dropping from mechanical grippers
• B65H 45/101 - Folding webs transversely in combination with laying, i.e. forming a zig-zag pile
• B65H 45/107 - Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by means of swinging or reciprocating guide bars

Abstract

The present cuff manufacturing method includes: a step of sandwiching at least two continuous elastic members F between a first sheet and a second sheet; a step of thermally-bonding together the first sheet and the second sheet intermittently in the longitudinal direction to form thermally-bonded portions, thereby fixing the continuous elastic members, thus forming a laminate; a slit step of slitting the laminate along the longitudinal direction, thereby obtaining a pair of cuff members; a step of conveying the pair of cuff members so that a pair of edges, which have been produced by the slitting in the pair of cuff members, are spaced apart from each other; and a step of arranging the pair of cuff members on opposite edge portions of a crotch portion of a worn article, thereby forming cuffs.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A method for manufacturing a wearable article includes: superposing first and second parts of a continuous material on each other; winding the continuous material around a rotary drum and conveying the continuous material; moving a movable part of a sealer unit outward and homeward in a cross direction crossing a conveyance direction, while the continuous material is conveyed, to form linear sealing areas and joining the first part and the second part through the formed linear sealing areas; and after the superposing and before the joining, inhibiting a movement of the first part and the second part relative to each other by temporary fastening at a place at which the first part and the second part are to be joined together.

IPC Classes  ?

• B29C 65/00 - Joining of preformed partsApparatus therefor
• B29C 65/18 - Joining of preformed partsApparatus therefor by heating, with or without pressure using heated tool
• B29C 65/78 - Means for handling the parts to be joined, e.g. for making containers or hollow articles
• B29L 31/48 - Wearing apparel

Abstract

Provided are a method of producing ear loop members for masks and a device for producing ear loop members for masks with which it is possible to inhibit a reduction in the production efficiency of the masks. The method of producing ear loop members (4) for masks includes a conveyance step (S2), a tension adjustment step (S3), and a forming step (S4). In the conveyance step (S2), a sheet (U1) having high stretchability in a high-stretch direction (DH) is conveyed in a conveyance direction (C10) running along the high-stretch direction (DH) while tension is applied in the high-stretch direction (DH) to the sheet (U1). In the tension adjustment step (S3), the tension in the conveyed sheet (U1) is adjusted. In the forming step (S4), ear loop members (4) are formed by cutting the sheet (U1) after the tension adjustment.

IPC Classes  ?

• B26F 1/02 - Perforating by punching, e.g. with relatively-reciprocating punch and bed
• A41H 3/00 - Patterns for cutting-outMethods of drafting or marking-out such patterns, e.g. on the cloth

Abstract

Provided are a wearing article and a method for manufacturing the same with which it is possible to form a concave shape in a portion positioned on the ventral side without forming a convex shape or a concave shape on the peripheral edge of the portion positioned on the dorsal side, and improve wearing comfort and appearance.　The present invention is provided with: (a) a girth member (12) having side edges (12a, 12b); (b) an absorbent body (14) in which a cutout part (14p) is formed in the intermediate portion of one end edge thereof (14a), the absorbent body (14) being joined to the girth member (12) so that the other end edge (14b) overlaps with the girth member (12) and the intermediate portion between the end edges (14a, 14b) overlaps with one of the side edges (12a) of the girth member (12); and (c) fastening members (16a, 16b, 16c) enabling the end parts (12m, 12n) of the girth member (12) to repeatedly fasten to and separate from a portion of the absorbent body (14) adjacent to the one end edge (14a). A portion (12c) of the girth member (12) adjacent to the other side edge (12b) is folded back so as to cover the other end edge (14b) of the absorbent body (14).

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/53 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium
• A61F 13/539 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium characterised by the connection of absorbent layers with each other or with the outer layers
• A61F 13/56 - Supporting or fastening means

Abstract

Provided is a method for manufacturing absorbent articles, in which the manufacturing device footprint is easily reduced. This method for manufacturing absorbent articles includes a conveying step (S1), a moving step (S4), and an introducing step (S6). In the conveying step, absorbent articles aligned in multiple rows along a first direction are conveyed, in a first conveying path, in a second direction perpendicular to the first direction. In the moving step, when absorbent article rows are counted along the first direction, with the absorbent article row on the most upstream side in the first direction taken as a reference, absorbent articles in odd rows or even rows are moved to a second conveying path different from the first conveying path. In the introducing step, after the absorbent article rows in a divided group are moved to the second conveying path, absorbent article rows are conveyed, in the first conveying path and second conveying path, in the direction perpendicular to the longitudinal direction of absorbent articles, and absorbent article rows are introduced into folding devices respectively corresponding to the absorbent article rows among multiple absorbent article folding devices.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

While in an unused folded state of a worn article, flaps are engaged with second touch fasteners in a protruding end portion via first touch fasteners, and the flaps are folded so that the protruding end portion comes closer to a proximal end portion, and while in a worn state in which the worn article is used, the flaps can be developed so that the first touch fasteners of the protruding end portion can oppose and engage with the second touch fasteners.

IPC Classes  ?

• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs
• A61F 13/62 - Fabric strip fastener elements, e.g. hook and loop

Abstract

Provided is a sheet folding device which can reduce the frequency at which pallets are exchanged and shorten an operation stop time accompanying a pallet exchange.　The sheet folding device comprises: (a) first movement unit (20) disposed to be able to be raised/lowered above a placement region (6); (b) a second movement unit (30) which is supported by the first movement unit (20) and reciprocates along the placement region (6) in a first direction (81); and (c) a sheet discharge device (32) which is supported by the second movement unit (30) and has a sheet discharge port (32t) facing the placement region (6), the sheet discharge port (32t) reciprocating along the placement region (6) in a second direction (82) crossing the first direction (81). Sheets (2, 2s) continuous in the longitudinal direction are discharged from the sheet discharge port (32t) of the sheet discharge device (32) so that the width direction of the sheets (2, 2s) crosses the second direction (82).

IPC Classes  ?

• B65H 45/107 - Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by means of swinging or reciprocating guide bars

Abstract

The present invention comprises: a first drum having a first area which suctions fibers on an outer peripheral part thereof for fiber stacking and forms a first core part in the first area through the fiber stacking; and a second drum having a plurality of second areas which are smaller than the first area, suction fibers on an outer peripheral parts thereof for the fiber stacking, and transfer second core parts formed in the respective second areas through the fiber stacking onto the first drum in sequence. When the second drum transfers each second core part, the second drum is rotated at a high first circumferential velocity. After a transfer, the second drum is rotated at a second circumferential velocity lower than the first circumferential velocity during non-transfer period until the next transfer.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A conveying device for conveying a sheet-like material of the present invention includes: a rail portion arranged in a loop shape; a plurality of travelers; a linear motor for circulating the travelers along the rail portion; and a pad attached to each of the travelers, wherein the pad circulates in at least one horizontal plane while holding the sheet-like material on the pad, thereby conveying the sheet-like material.

IPC Classes  ?

• B65G 17/48 - Controlling attitudes of load-carriers during movement
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• B65G 17/34 - Individual load-carriers having flat surfaces, e.g. platforms, grids, forks
• B65G 47/244 - Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning them about an axis substantially perpendicular to the conveying plane
• B65G 54/02 - Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic

Abstract

The present invention comprises: a step for conveying, in a continuous direction, a first continuous web for forming pocket material; a step for generating a pocket web by placing, on the first continuous web, a first elastic member in a stretched state; a cutting step for successively cutting the pocket web to obtain pocket material of a prescribed length; an orientation modification step for modifying the orientation of the pocket material by turning the pocket material such that the conveyance direction of the pocket material is the width direction of the pocket material; a repitch step for widening the interval between sections of pocket material adjacent to each other; and a placement step for placing the pocket material so as to straddle a pair of three-dimensional gathers. The present invention is characterized in that the cutting step, the orientation modification step, and the placement step are performed on a suction drum.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/494 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means

Abstract

The present invention suppresses folding of an end on the tip side of a flap part, prevents the end on the tip side of the flap part from covering a fastener member, and ensures sufficient fastening power of the fastener member.　The present invention comprises: an absorptive body (12) in which an absorber is disposed between a top sheet and a back sheet; flap parts (14u) that are put on one (12a) of a front part (12c) and back part (12a) of the absorptive body (12) and extend to the both sides in the waist line direction (10x); and fastener members (16) that are each installed on the flap part (14u) at a distance from a tip end (14v) of the flap part (14u) in the waist line direction (10x) and are attachably and detachably joined to an opposing part (13) put on the absorptive main body (12). Each flap part (14u) is formed from thermoplastic nonwoven fabric and has, in an extending part (14p) between the tip end (14v) of the flap part (14u) and the fastener member (16), a thermally-fused part (18) at which the nonwoven fabric is thermally fused and bending rigidity of the nonwoven fabric is increased.

IPC Classes  ?

• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/56 - Supporting or fastening means

Abstract

Provided is a web supply device with which it is possible to precisely position a movement unit in accordance with the outside-diameter dimensions of a cloth roll for replacement.　In the present invention, a movement unit (14) for holding a splicing unit (15) connecting a web (21) being transported and a web of a cloth roll (22) that is on standby at a splicing position (12x) moves on a prescribed path, the movement unit (14) approaching and moving away from the cloth roll (22) that is on standby. A detection sensor (16c) attached to the movement unit (14) or to the splicing unit (15) detects the cloth roll (22) that is on standby in association with movement of the movement unit (14). The present invention executes: a first control (54) for causing the movement unit (14) to move at a first speed toward a detection position (66) at which detection by the detection sensor (16c) switches, and stopping the movement unit (14) when the detection switches; and a second control (56, 57) for causing the movement unit (14) to move toward the detection position (66) at a second speed that is lower than the first speed, and stopping the movement unit (14) when the detection switches.

IPC Classes  ?

• B65H 19/18 - Attaching, e.g. pasting, the replacement web to the expiring web

Abstract

Provided is a remaining material recovery device capable of separating and recovering a web from a used master roll remaining in a web feeder.　This remaining material recovery device comprises: (a) a suction device (10, 10a, 10b) that is disposed in a web feeder (50, 50a, 50b) and suctions the remaining material of a web (81) that is to be separated from the core material of a master roll (80) among the web (81) of the used master roll (80) in the web feeder (50, 50a, 50b); (b) a conveyance duct (25; 30a, 32a; 30b, 32b) that conveys the remaining material that has been sucked by the suction device (10, 10a, 10b) and separated from the core material; and (c) a recovery box (20, 20a, 20b) that recovers the remaining material conveyed by the conveyance duct (25; 30a, 32a; 30b, 32b).

IPC Classes  ?

• B65H 19/12 - Lifting, transporting, or inserting the web rollRemoving empty core

Abstract

A method for manufacturing an around-torso portion of a worn article, including the steps of; intermittently conveying a plurality of first sheets by a first drum; conveying a preceding second sheet, of a plurality of second sheets, toward a junction with the first drum by a first pad of a second drum, and conveying the preceding second sheet so that the male touch fastener at the rear end of the preceding second sheet overlaps with the female touch fastener at the front end of one first sheet, of the plurality of first sheets; and conveying a subsequent second sheet, of the plurality of second sheets, toward the junction with the first drum by a second pad of the second drum, and conveying the subsequent second sheet so that the male touch fastener at the front end of the subsequent second sheet overlaps with the female touch fastener at the rear end of the one first sheet.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies

Abstract

The method of the present invention includes the steps of: arranging a plurality of non-continuous sheets of a predetermined length intermittently and successively in the conveyance direction on the continuous sheet so that the continuous elastic members are sandwiched between the non-continuous sheets and the continuous sheet; in an overlapping area where the non-continuous sheets overlap with the continuous sheet, attaching the continuous sheet and the non-continuous sheets to each other by welding the sheets to each other in a predetermined pattern, thus producing a continuous laminate; and in a non-overlapping area where the non-continuous sheets do not overlap with the continuous sheet, heating the continuous sheet in the same pattern as said pattern.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A manufacturing device (1) is provided with: a guiding part (4) that guides an elastic member (EL) between a pair of sheets (S1, S2) conveyed by a pair of nip rolls (21); a moving mechanism (5) that reciprocates the guiding part (4) along a moving path (MP); and a reciprocation control part (7a). The moving mechanism (5) has a first rotating member (50) that is rotatable about a first rotation center shaft (50a) and capable of changing a first rotation radius connecting the guiding part (4) and the first rotation center shaft (50a) to each other, and a second rotation member (55) that is rotatable about a second rotation center shaft (55a), connected to the first rotation member (50) so as to be rotatable each other, and capable of changing a second rotation radius connecting the guiding part (4) and the second rotation center shaft (55a) to each other. The reciprocation control part (7a) synchronizes rotation of the first rotation member (50) and rotation of the second rotation member (55) with each other.

IPC Classes  ?

• B32B 37/24 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided is a transport device that has a plurality of pads which hold and transport a workpiece while the circumferential speed thereof is changed, said transport device comprising: a rotation shaft which has an axis that is the center of rotation; a rotor which rotates about the rotation shaft; a plurality of pads which hold and transport a workpiece while the circumferential speed thereof is changed with respect to the rotation shaft; speed changing mechanisms that respectively change the speed of each pad; and motors which are respectively provided for each pad and which each have an output shaft that drives a respective speed changing mechanism. Each motor is mounted to the rotor and is disposed such that the output shafts are parallel to each other, in the direction of in which the axis of the rotation shaft extends and around the axis of the rotation shaft.

IPC Classes  ?

• B65G 47/86 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements the article-engaging elements being grippers
• B65G 47/91 - Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers

Abstract

The present invention is characterized by repeating: a step wherein a preceding pad conveys a continuous body while receiving and holding the leading edge of the continuous body; a step wherein a subsequent pad catches up with the preceding pad; a bilateral holding step wherein the continuous body is held on both the preceding pad and the subsequent pad; and a cutting step wherein the leading edge of the continuous body is cut to produce individual workpieces on the preceding pad. In the bilateral holding step, the relative speeds of both pads are equal to each other and both pads rotate at unequal speeds in at least some sections, and the continuous body is fed from a feeder at unequal speeds in accordance with the change in the speeds of the pads rotating at unequal speeds.

IPC Classes  ?

• B65H 5/12 - Revolving grippers, e.g. mounted on arms, frames, or cylinders
• B65H 35/04 - Delivering articles from cutting or line-perforating machinesArticle or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
• B65H 20/34 - Arrangements for accumulating surplus web by making loops with rollers
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

This production method involves: a step for transferring a continuous sheet continuing in the transferring direction; a step for transferring each of multiple non-continuous work pieces in the transferring direction; an arrangement step for arranging, with respect to the continuous sheet, each work piece for every wearable article unit; a work piece speed changing step for increasing or decreasing the transferring speed of each work piece prior to the arrangement step; and a first sheet speed changing step for increasing or decreasing the transferring speed of an arrangement position at which each work piece is arranged on the continuous sheet, prior to the arrangement step, so as to achieve a transfer speed at which the transferring speed of the arrangement position becomes equal to the changed transferring speed of the work piece.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs

Abstract

An absorbent body in which a larger amount of a granular absorbent substance penetrates into the inside of a fiber sheet is produced. A fiber sheet having napped one main surface is supplied to a conveying device and conveyed while the other main surface of the fiber sheet is being sucked through a conveyance surface. A granular absorbent substance is sprayed onto the napped one main surface of the fiber sheet to cause the substance to penetrate into the inside of the fiber sheet in a suction section. A pressure difference increasing device is provided that faces the one main surface of the fiber sheet sprayed with the absorbent substance and being conveyed in the suction section, and that suppresses air from flowing through the fiber sheet inward from the conveyance surface to increase the pressure difference between the conveyance surface side and the opposite side of the fiber sheet.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• B05B 13/02 - Means for supporting workArrangement or mounting of spray headsAdaptation or arrangement of means for feeding work

Abstract

A base sheet having one main surface applied with an adhesive is supplied to a conveyance device and the base sheet is conveyed while the other main surface of the base sheet is suctioned. A first laminate is formed by overlapping the one main surface of the base sheet with the other main sheet of a fiber sheet having one main surface nap-raised; then, a granular absorbent material is scattered on the one main surface of the fiber sheet; the scattered absorbent material is infiltrated into the fiber sheet when the other main surface of the base sheet is suctioned; then, a second laminate is formed by overlapping the one main surface of the fiber sheet with the one main surface of a cover sheet applied with an adhesive; and then the resultant sheet is compressed in the thickness direction by means of a compression means and the applied adhesive.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad

Abstract

The present invention provides a method for manufacturing an article of clothing (100) comprising: a front waist part (11) which is worn on the anterior abdominal side of a wearer and which includes a left-front end (11L) and a right-front end (11R); and a rear waist part (12) which is worn on a posterior back side of the wearer and which includes a left-rear end (12L) and a right-rear end (12R) forming, together with the left-front end (11L) and a right-front end (11R), a left-side sealing portion (13L) and a right-side sealing portion (13R). In the method, the left-side sealing portion (13L) in a layered state in which a fiber-supplemented sheet (2) formed from a nonwoven fabric is layered on an elastic fiber sheet (1) is formed in at least a portion of the article, the right-side sealing portion (13R) in the layered state is formed in at least a portion of the article, and, in at least a portion of the elastic fiber sheet (1), the fiber-supplemented sheet (2) is not layered such that airflow is allowed to pass through the elastic fiber sheet (1).

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs
• A61F 13/51 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads

Abstract

The present rotary extruder includes: a rotor having a cylindrical surface centered on a rotor axis extending in a horizontal direction; and a casing having an inner peripheral surface that defines a bore, wherein: the casing defines an input port into which a resin material including a thermoplastic resin is fed, and a discharge port from which a plasticized molten resin is discharged; the cylindrical surface of the rotor and the inner peripheral surface of the casing are arranged eccentric with each other, thereby forming a gap whose cross section is crescent-shaped, extending in a rotation direction of the rotor from the input port to the discharge port between the inner peripheral surface and the cylindrical surface; and the input port is arranged at a top portion of the casing and the discharge port is arranged at a lower portion of the casing.

IPC Classes  ?

• B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
• B29C 48/37 - Gear pumps
• B29C 48/465 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
• B29C 48/87 - Cooling

Abstract

The present invention aims to achieve both a function of diffusing excretions or the like in a longitudinal direction of an absorber and maintenance of adhesion to a wearer in a direction orthogonal to the longitudinal direction. The absorber includes a top sheet (21), a back sheet (22) opposed to the top sheet (21), and an absorbent core (23) extending in a predetermined longitudinal direction between the top sheet (21), and the back sheet (22) and configured to absorb excretions or the like of the wearer. The absorbent core (23) has a plurality of opening portions (23a) each having a shape that opens toward the top sheet (21) and extends in the longitudinal direction and each arranged in the longitudinal direction. An interval (G1) in the longitudinal direction between two opening portions (23a) adjacent to each other among the plurality of opening portions (23a) is set to a dimension equal to or larger than a dimension (D1) in the longitudinal direction of each of the two adjacent opening portions (23a).

IPC Classes  ?

• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/532 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
• A61F 13/511 - Topsheet, i.e. the permeable cover or layer facing the skin

Abstract

A method including: a conveying step of conveying a continuous sheet to be a component of a disposable worn article in a longitudinal direction; a printing step of repeatedly printing a predetermined pattern by spraying ink from a first group of nozzles of an inkjet print head onto a surface of the continuous sheet; and a flushing step of performing a flushing operation of spraying ink from at least a second group of nozzles of the head onto the surface of the continuous sheet.

IPC Classes  ?

• B41J 2/165 - Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material

Abstract

Provided is an absorbent article capable of fully utilizing absorption capacity of an absorption layer downstream in a liquid supply direction in a structure in which a plurality of absorption layers are laminated. An absorbent article-includes a first absorption layer and a second absorption layer configured to absorb liquid, and a diffusion layer that is interposed between the first absorption layer and the second absorption layer and diffuses the liquid in a direction in which a plane of the second absorption layer spreads. The first absorption layer includes an absorbent resin configured to absorb liquid. The first absorption layer includes an absorption region including the absorbent resin, and a passage region that has a lower density of the absorbent resin than a density of the absorbent resin in the absorption region. The passage region allows the liquid to pass through the diffusion layer.

IPC Classes  ?

• A61F 13/537 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
• A61F 13/535 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes

Abstract

A manufacturing apparatus of an absorbent body includes: a duct to convey fibrillated fibers via an air flow; a first drum to allow the fibers conveyed through the duct to be accumulated on an outer peripheral face by the suction force from the interior to convey a fiber body of the accumulated fibers, the first drum being a first pattern drum to define the shape of the fiber body; a spraying device to spray absorbent particles; a second drum to convey an aggregate obtained by collecting the sprayed particles on an outer peripheral face by the suction force from the interior, the second drum being a second pattern drum to control the distribution of the aggregate; and a layering unit to layer the fiber body and the aggregate to each other.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A panel attachment structure for a wearable article manufacturing equipment includes: lower and upper panels vertically arranged while separated up-and-down; a first processing section and a first driving section respectively attached to a front face and a back face of the lower panel; a second processing section and a second driving section respectively attached to a front face and a back face of the upper panel; a base horizontally arranged under the lower panel; and a pair of pillars raised from the base, wherein, in the structure, the lower and upper panels are removably fixed to the pillars while being supported by the respective lower and upper parts of the pillars, and each pillar has a support section, provided between the upper and lower panels and supporting the load of the upper panel.

IPC Classes  ?

• F16M 1/00 - Frames or casings of engines, machines, or apparatusFrames serving as machinery beds
• F16B 5/02 - Joining sheets or plates to one another or to strips or bars parallel to them by means of fastening members using screw-thread
• F16B 5/00 - Joining sheets or plates to one another or to strips or bars parallel to them
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A plurality of folding units is arranged in a circumferential direction of a drum that rotates about an axis. Each of the folding units includes: a pad for holding one part of a workpiece on a pad surface; a first folding member and a second folding member each having a folding surface for folding a different part of the workpiece so as to stack the different part over the one part; and a pivot shaft arranged parallel to the pad surface. The first folding member, the second folding member, and the pivot shaft are configured to be rotated together until the folding surface reaches a facing position and a facing posture at which the folding surface faces the pad surface. The pivot shaft is configured to be displaced in a diameter direction of the drum crossing the pad surface.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• B65H 45/04 - Folding sheets

Abstract

A panel attachment structure for a wearable article manufacturing equipment includes: lower and upper panels vertically arranged while separated up-and-down; a first processing section and a first driving section respectively attached to a front face and a back face of the lower panel; a second processing section and a second driving section respectively attached to a front face and a back face of the upper panel; a base horizontally arranged under the lower panel; and a pair of pillars raised from the base, wherein, in the structure, the lower and upper panels are removably fixed to the pillars while being supported by the respective lower and upper parts of the pillars, and each pillar has a support section, provided between the upper and lower panels and supporting the load of the upper panel.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• F16M 1/00 - Frames or casings of engines, machines, or apparatusFrames serving as machinery beds
• F16B 5/00 - Joining sheets or plates to one another or to strips or bars parallel to them
• F16B 5/02 - Joining sheets or plates to one another or to strips or bars parallel to them by means of fastening members using screw-thread

Abstract

A manufacturing apparatus for an absorbent body including: a first conveyor that conveys an air-permeable first sheet while sucking the first sheet along a flat first slope surface; a second conveyor that conveys an air-permeable second sheet while sucking the second sheet along a flat second slope surface having a slope opposite to the first slope surface; a first distribution device that forms a first absorbent layer in the first sheet by distributing absorbent powder on an upper surface of the first sheet being conveyed along the first slope surface; a second distribution device that forms a second absorbent layer in the second sheet by distributing absorbent powder on an upper surface of the second sheet being conveyed along the second slope surface; and a stacking part that stacks the first sheet conveyed by the first conveyor and the second sheet conveyed by the second conveyor in such a manner as to cause the first absorbent layer of the first sheet and the second absorbent layer of the second sheet to face each other.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/537 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer

Abstract

A method for manufacturing an underpants-type wearable article where a joining defect of an elastic stretchable member can be easily checked. The method includes: a rubber-thread-sandwiching-step; a continuous-body-forming-step of forming continuous bodies of front and backside waist members; a side-fusing-step of joining both side portions of the front and back members to each other by side fusing using a pair of side fusing portions; a rubber-thread-cutting-step of cutting the rubber threads of the respective continuous bodies of the front and back members at a protruding portion of a boundary region which becomes a boundary of individual wearable article; a joining-state-inspection-step of inspecting a joining state of the rubber threads to a pair of nonwoven fabric; and a continuous-body-cutting-step of obtaining individual wearable articles by cutting the respective continuous bodies of the front and back member at the protruding portion of the boundary region.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

Provided is a manufacturing apparatus for manufacturing a composite stretchable member capable of improving a function of preventing cutting by reducing a defect in which an elastic member is detached from a groove of a conveying roller. The manufacturing apparatus includes a guide device that guides the two sheets and the elastic members to a bonding device. The guide device includes a guide member that guides the elastic members to respective multiple grooves on an outer peripheral surface of a conveying roller of the bonding device. The guide member is provided at its leading end with multiple guide grooves for holding the corresponding elastic members. The guide member is disposed to allow the elastic members positioned between the guide grooves and the corresponding grooves of the conveying roller to each have a length of 30 mm or less.

IPC Classes  ?

• B32B 41/00 - Arrangements for controlling or monitoring lamination processesSafety arrangements
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• B29C 65/00 - Joining of preformed partsApparatus therefor
• B29L 31/48 - Wearing apparel

Abstract

A conveying method includes first and second pads conveying workpieces with speeds of the first and second pads being varied; circumferential velocities of the first pads and the second pads are accelerated by variable speed mechanisms; the first and second pads move and separate in a state in which a distance between the first pad and the second pad, whose speeds were increased, is increased; the circumferential velocities of the first pads and the second pads are decelerated by the variable speed mechanisms; and a first slider and a second slider, which were subjected to deceleration, overlap each other in a part in a circumferential direction, which causes the first pad and the second pad to approach each other, and the first pad and the second pad move and approach each other in this state in which the first pad and the second pad have approached each other.

IPC Classes  ?

• B65G 47/84 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• B65G 47/32 - Applications of transfer devices
• B65G 47/86 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements the article-engaging elements being grippers
• B65G 47/248 - Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles by turning over or inverting them
• B65G 47/28 - Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a single conveyor

Abstract

A method for manufacturing an absorbent core uses a feed device feeding crushed fiber, a first drum provided with a first area, where the crushed fiber is sucked and stacked, and a second drum provided with a second area, where the crushed fiber is sucked stacked, the second area being smaller than the first area, the method includes a step of forming a thick portion on the second area of the second drum by stacking the fiber fed from the feed device; a step of transferring the thick portion to a predetermined position in the first area; and a step of forming a thin portion on the first area of the first drum by stacking the fiber fed from the feed device around the transferred thick portion with the transferred thick portion placed on the first area.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• D04H 1/736 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres

Abstract

The present welding system includes: a transport device that transports a work in a state where a plurality of webs are overlaid on each other; an anvil roller that includes an anvil which intermittently makes contact with the first surface of the work being transported; an ultrasonic horn that is opposite the second surface of the work and that cooperates with the anvil to apply vibration energy to the work so as to intermittently weld the webs; a speed changing device that lowers the transport speed of the work supplied between the horn and the anvil when the welding is performed; and a pressing device that presses the first surface of the work to the anvil when the welding is performed.

IPC Classes  ?

• B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations
• B29C 65/00 - Joining of preformed partsApparatus therefor
• B29L 31/48 - Wearing apparel

Abstract

Provided are a composite stretchable member and wearing article capable of improving design properties at the time of contraction. A composite stretchable member stretchable in a specific direction includes two sheets facing each other, and a plurality of elastic members extending along the specific direction and being stretchable in the specific direction between the sheets. The sheets are bonded to each other at first bonding sections. Each first bonding section continuously extends along the intersecting direction intersecting the specific direction and intersects the elastic members. Each elastic member is bonded to each sheet at an intersection with the corresponding one of the first bonding sections. Each first bonding section has a wavy-line-shape extending in the intersecting direction with convex portions and concave portions that alternately appear continuously. Two adjacent first bonding sections are disposed with the convex portions or the concave portions that at least partially overlap each other.

IPC Classes  ?

• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies

Abstract

A method including: a step of carrying first and second continuous webs in a predetermined carrying direction; a first slitting step of slitting the first continuous web along a virtual first cut-off line extending the carrying direction, thereby dividing the first continuous web into a wider first divided web and a narrower second divided web; a step of sandwiching an around-torso elastic member extending in a girth direction between the wider first divided web and the second continuous web; a welding step of welding together the first divided web, the second continuous web and the around-torso elastic member intermittently in the carrying direction, thereby producing a layered sheet; and a bonding step of sandwiching an around-leg elastic member meandering relative to the carrying direction between the layered sheet and the narrower second divided web, and attaching the around-leg elastic member thereto by an adhesive, thereby producing a stretchable continuous sheet.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A folding device for a disposable hygiene article includes: a first conveying portion along a first path; a second conveying portion along a second path extending in a direction intersecting with the first path; a folding mechanism to fold the disposable hygiene article between the first and second conveying portions; a driving mechanism connected to the folding component, to drive the folding component by performing reciprocating linear motion along the direction of the second path between a folding and retracted positions; and a guiding mechanism in an extension direction of the first path or by using the first path as a reference, a front end portion of the article to an opposite side of the second conveying portion. The driving mechanism includes at least one pulley directly connected to a servo motor and a synchronous belt wrapped around the outer circumference of the pulleys in a looping path.

IPC Classes  ?

• A61F 13/00 - Bandages or dressingsAbsorbent pads
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A wearable article production method for a stretchable sheet having partially weakened stretchability includes a welding step of ultrasonically welding two sheet bodies and an elastic film to each other at plural joints separated from each other in a predetermined transport direction in a region including a predetermined attachment location by transporting a sheet laminate formed by sandwiching the elastic film in an elongated state between the two sheet bodies in the transport direction so that the sheet laminate passes between an anvil roll and an ultrasonic horn to form a stretchable sheet; a weakening step of forming weakened regions, where stretchability of the elastic film is weakened, at least at a part of the attachment location in the stretchable sheet after the welding step; and an attachment step of attaching an absorbent main body to the attachment location so that the absorbent main body overlaps the weakened regions.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators
• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• B29C 65/08 - Joining of preformed partsApparatus therefor by heating, with or without pressure using ultrasonic vibrations
• B29C 65/00 - Joining of preformed partsApparatus therefor

Abstract

A plurality of folding units is arranged in a circumferential direction R of a drum that rotates about an axis. Each of the folding units includes: a pad for holding each workpiece while a center portion of the workpiece as viewed in a lengthwise direction is placed on the pad; and a first folding member and a second folding member arranged adjacent to both end portions of the workpiece respectively as viewed in the lengthwise direction and used for folding the workpiece so as to stack the both end portions over the center portion. The first folding member and the second folding member are arranged at the same position as the pad of each of the folding units as viewed in the circumferential direction, and a width direction of the drum parallel to the axis is defined in the lengthwise direction of the workpiece.

IPC Classes  ?

• B65H 45/04 - Folding sheets
• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A method for producing a wearable article, wherein: the method comprises a step for producing a waist member (10) having a waist body (16) capable of expanding and contracting in the width direction and male fasteners (12), a step for joining an absorber (20) to the waist body (16), and a step for folding the absorber (20) in half in the orthogonal direction and then folding both side portions (10a) of the waist member (10) in the width direction and engaging the male fasteners (12) with female fasteners (22) of the absorber (20); and a step for producing the absorber (20) includes a step for holding an SAP on a core-side first non-woven fabric so as to form a first low-density region that holds an SAP of lower density than a holding region for holding the SAP and that is adjacent to both orthogonal-direction ends of the holding region in the orthogonal direction to produce a core.

IPC Classes  ?

• A61F 13/15 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators

Abstract

A wearing article (1) is provided with: a waist member 10 having a waist body stretchable in the width direction and a male fastener (12); and an absorbent body (20) that is placed on the back part, the crotch part, and the front waist part of a wearer. The absorbent body (20) has a core (25), a surface sheet (24), a back sheet (26), and a female fastener (22). The core (25) has a core-side first nonwoven fabric having a retention region retaining SAP and a first low-density region retaining SAP that has a low density and is adjacent in the orthogonal direction to both end portions in the orthogonal direction of the retention region. The male fastener (12) and the female fastener (22) are fastened to each other while the absorbent body (20) is folded into two parts in the orthogonal direction and both end portions (10a) of the waist member (10) are folded in the width direction.

IPC Classes  ?

• A61F 13/49 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
• A61F 13/493 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies adjustable
• A61F 13/496 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs
• A61F 13/51 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the outer layers of the pads
• A61F 13/534 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
• A61F 13/535 - Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the bodySupporting or fastening means thereforTampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
• A61F 13/56 - Supporting or fastening means