A closure mechanism extends between side edges of a reclosable pouch and includes complementary interlocking closure elements each having an elongate profile extending between first and second ends thereof. Guide rails are disposed along exterior sides of the complementary interlocking closure elements. A slider is disposed in straddling relation over the guide rails and an end-stomp is defined by a fused-together portion of the interlocking closure elements proximate an end of the closure mechanism. The end-stomp may include a flattened region, a first raised ridge that is generally parallel to the interlocking closure elements, and a second raised ridge that is generally perpendicular to the first raised ridge. The second raised ridge extends away from a pouch interior and beyond opening side lateral edges of the complementary interlocking closure elements a distance that is sufficient to engage a top wall of the slider.
A closure mechanism extends between side edges of a reclosable pouch and includes complementary interlocking closure elements each having an elongate profile extending between first and second ends thereof. Guide rails are disposed along exterior sides of the complementary interlocking closure elements. A slider is disposed in straddling relation over the guide rails and an end-stomp is defined by a fused-together portion of the interlocking closure elements proximate an end of the closure mechanism. The end-stomp may include a flattened region, a first raised ridge that is generally parallel to the interlocking closure elements, and a second raised ridge that is generally perpendicular to the first raised ridge. The second raised ridge extends away from a pouch interior and beyond opening side lateral edges of the complementary interlocking closure elements a distance that is sufficient to engage a top wall of the slider.
A flexible container comprises a container wall and a handle attached to the wall. The handle includes multiple layers of thermoplastic material having stitching applied through the multiple layers and a portion of the handle is attached to the container wall.
B65D 8/04 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor characterised by wall construction or by connection between walls
A flexible container comprises a mesh material layer and a thermoplastic layer that forms a wall of the flexible container and is disposed external to the mesh material layer. A flexible handle is disposed external to the mesh material layer. The mesh material layer, the thermoplastic layer, and the flexible handle are joined by a set of stitching disposed therethrough.
A closure mechanism for a reclosable pouch includes a female profile having first and second legs extending from a first base of a first closure element and a sealing flange attached to each of the first and second legs. A slit is disposed through the sealing flange to define a first sealing flap that depends from the first leg and a second sealing flap that depends from the second leg. A male profile extends from a second base of a second closure element. The male profile is adapted to engage a portion of at least one of the first and second sealing flaps to form a seal therebetween when the male and the female profiles are occluded. Further, a surface of the second base is configured to engage at least one of the first and second sealing flaps to form a seal therebetween when the male and the female profiles are occluded.
A reclosable pouch includes first and second film layers disposed on a first pouch sidewall. The first film layer is attached to the second film layer by first and second intermittent spot seals disposed at least across respective first and second edges of the first film layer. The second film layer is sealed to the sidewall by third and fourth intermittent spot seals disposed at least across respective third and fourth edges of the second film layer. Offset first and second apertures extend through the first and second film layers, respectively, wherein one of the first and second apertures communicates with a pouch interior and the other of the first and second apertures communicates with a pouch exterior. A fifth intermittent spot seal is disposed between the first and second film layers, the fifth intermittent spot seal surrounding a region including the first and second apertures.
A gastight interface for an evacuation device includes a flexible suction cup adapted to form a gastight seal with a surface surrounding a valve disposed on a container and extending from an evacuation end of an evacuation chamber. The flexible suction cup has an aperture disposed therethrough for fluid communication with the evacuation chamber. A plurality of support members extends from the evacuation end of the evacuation chamber to restrict movement of the flexible suction cup between the surface and the evacuation end of the evacuation chamber, to allow fluid communication between an interior of the container and the evacuation chamber through the valve when the valve is in an open position, while the piston is being reciprocated between the closed end and the evacuation end. Each support member has a distal surface disposed outside of an outer perimeter of the flexible suction cup.
F04B 53/12 - ValvesArrangement of valves arranged in or on pistons
F04B 53/00 - Component parts, details or accessories not provided for in, or of interest apart from, groups or
B65D 81/20 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
A gastight interface for an evacuation device comprises a flexible suction cup adapted to form a gastight seal with a surface surrounding a valve disposed on a container and extending from an evacuation end of an evacuation chamber. The flexible suction cup has an aperture disposed therethrough for fluid communication with the evacuation chamber. A plurality of support members extends from the evacuation end of the evacuation chamber to restrict movement of the flexible suction cup between the surface and the evacuation end of the evacuation chamber to allow fluid communication between an interior of the container and the evacuation chamber through the valve when the valve is in an open position while the piston is being reciprocated between the closed end and the evacuation end. Each support member has a distal surface disposed outside of an outer perimeter of the flexible suction cup.
B65B 31/04 - Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
B65D 1/22 - Boxes or like containers with side walls of substantial depth for enclosing contents
An airtight closure mechanism for a reclosable pouch includes first and second complementary closure elements, the first closure element comprising a first interlocking profile and the second closure element comprising a complementary second interlocking profile. First and second sealing sections are disposed on respective complementary sides of the first and second interlocking profiles. The first sealing section includes a first protuberance having a first distal surface, a second protuberance having a second distal surface, and a sealing flange attached to and extending between the first and second distal surfaces of the first and second protuberances, respectively. The second sealing section includes a sealing member disposed on a base of the second closure element. The sealing member is located a distance from the second interlocking profile that places a distal surface thereof between the first and second protuberances when the first and second interlocking profiles are occluded. Additionally, when the first and second interlocking profiles are occluded, the distal surface urges against the sealing flange to form an airtight seal therebetween.
A pouch has an airtight elongate closure mechanism adapted to provide vacuum retention within an interior of the pouch over an extended period of time when sealed. The closure mechanism includes a first pair of interlocking members that resealably mate together, a second pair of interlocking members that resealably mate together, and sealing members that form an air tight seal disposed between the first and second pairs of interlocking members. The closure elements may be connected with opposing sidewalls of the pouch in a manner designed to provide differential opening and closing forces. The pouch may also include a check valve and air evacuation channels to aid in evacuating air from the interior.
B65D 33/16 - End- or aperture-closing arrangements or devices
B65D 33/25 - RivetingDovetailingScrewingEnd- or aperture-closing arrangements or devices using press buttons or slide fasteners
B65D 81/20 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
A hand-held vacuum device is disclosed that includes a housing to hold an electric motor operable to drive a piston pump that is configured to draw a substantially continuous vacuum for each complete cycle of the piston pump. The hand-held vacuum device also includes an expansion chamber releasably connected to and in fluid communication with the housing and a vacuum interface that has a vacuum connector in fluid communication with the expansion chamber and is configured to releasably couple to a valve disposed on a container. The expansion chamber separates air and liquid from a fluid drawn into the expansion chamber.
B65B 31/04 - Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
F04B 37/10 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for special use
12.
POUCH AND AIRTIGHT RESEALABLE CLOSURE MECHANISM THEREFOR
A pouch has an airtight elongate closure mechanism adapted to provide vacuum retention within an interior of the pouch over an extended period of time when sealed. The closure mechanism includes a first pair of interlocking members that resealably mate together, a second pair of interlocking members that resealably mate together, and sealing members that form an air tight seal disposed between the first and second pairs of interlocking members. The closure elements may be connected with opposing sidewalls of the pouch in a manner designed to provide differential opening and closing forces. The pouch may also include a check valve and air evacuation channels to aid in evacuating air from the interior.
B65D 33/16 - End- or aperture-closing arrangements or devices
B65D 33/25 - RivetingDovetailingScrewingEnd- or aperture-closing arrangements or devices using press buttons or slide fasteners
B65D 81/20 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
An offset resealable closure mechanism adapted to provide an airtight seal for a pouch includes a first elongate closure element and a second elongate closure element. The first elongate closure element includes a first elongate closure profile extending therefrom and a second elongate closure element includes first and second legs extending therefrom to define a channel. A sealing flange extends across the channel and includes a slit therethrough adapted to receive the first elongate closure profile. The sealing flange forms an airtight seal with the first elongate closure profile when the closure mechanism is occluded.
A container includes a plurality of wall panels. Each wall panel is connected to adjacent wall panels at hinged connections and the wall panels are arranged so as to articulate at the hinged connections between a collapsed position and an expanded position defining a bottom wall and a plurality of side walls extending upwardly from the bottom wall. The container also includes a first latch that is configured to interlockingly engage when the wall panels are in the expanded position and a second latch that is configured to interlockingly engage when the wall panels are in the collapsed position.
B65D 6/16 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor collapsible
B65D 25/00 - Details of other kinds or types of rigid or semi-rigid containers
15.
VENTING DOUBLE ZIPPER AND RECLOSABLE STORAGE BAG USING SAME
A reclosable storage bag and zipper tape for use in conjunction with same is disclosed. The reclosable bag includes first and second panels which are sealed about bottom, left, and right edges leaving an open top. The closure system further includes first and second closure assemblies or zippers which can be individually or simultaneously closed to seal the contents within the bag. Even after the first and second zippers are engaged thereby closing the bag, excess air within the bag can be removed simply be manually compressing the bag and thereby forcing the air through the vent apertures provided between the zippers. A valve internal to the closure system may be provided proximate the vent apertures and open upon sufficient application of pressure thereby allowing for air to be evacuated from the bag.
A pouch has an elongate closure mechanism adapted to provide vacuum retention within an interior of the pouch over an extended period of time when sealed. The closure mechanism includes a first pair of interlocking members that resealably mate together, a second pair of interlocking members that resealably mate together, and a pair of sealing members that form an air tight seal separate from the interlocking members disposed between the first and second pairs of interlocking members. The closure members are connected with opposing panels of the pouch in a manner designed to provide differential opening and closing forces. The pouch may include a check valve and air evacuation channels to aid in evacuating air from the interior.
A pouch has an elongate closure mechanism adapted to provide vacuum retention within an interior of the pouch over an extended period of time when sealed. The closure mechanism includes a first pair of interlocking members that resealably mate together, a second pair of interlocking members that resealably mate together, and a pair of sealing members that form an air tight seal separate from the interlocking members disposed between the first and second pairs of interlocking members. The closure members are connected with opposing panels of the pouch in a manner designed to provide differential opening and closing forces. The pouch may include a check valve and air evacuation channels to aid in evacuating air from the interior.
A container includes a plurality of resilient wall panels. Each wall panel is connected to each adjacent wall panel at a hinged connection, and the wall panels are arranged so as to articulate at the hinged connections between a collapsed position and an expanded position defining a bottom wall and a plurality of side walls extending upwardly from the bottom wall and defining an upper lip. At least one of the hinged connections between adjacent side walls is an arched hinge. The container also includes a downwardly projecting bracket disposed proximate the upper lip on an exterior side of a side wall.
B65D 6/00 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
B65D 8/14 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor characterised by wall construction or by connection between walls collapsible
A closure assembly useable with a pouch or bag includes an elongate seal assembly and a slider. The seal assembly includes upper and lower interlocking profiles and a rib disposed between the interlocking profiles on at least one side of the seal assembly. The slider includes forward closure bars at a first end and a separator finger and lower closure bars adjacent to an opposing second end. The forward and lower closure bars occlude the upper and lower interlocking profiles. The separator finger extends between the upper interlocking profiles and presses outwardly against the rib to de-occlude the lower interlocking profiles. The lower interlocking profiles can be occluded along substantially an entire length thereof. The slider also includes a retention plate and pressing members, which operatively retain the slider on the seal assembly and may increase the opening force created by the separator finger against the rib.
A collapsible container includes a plurality of wall panels. Each wall panel is connected to each adjacent wall panel at a hinged connection, and the wall panels are arranged so as to articulate at the hinged connections between a collapsed position and an expanded position defining a bottom wall and a plurality of side walls extending upwardly from the bottom wall. The collapsible container further includes a deformed portion on a side wall disposed across a hinged connection. The deformed portion projects toward an exterior of the collapsible container to releasably lock the hinged connection in a convexly bowed position when the collapsible container is in the expanded position.
B65D 5/36 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
B65D 5/42 - Details of containers or of foldable or erectable container blanks
B65D 6/00 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
B65D 8/14 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor characterised by wall construction or by connection between walls collapsible
A container includes a plurality of wall panels. Each wall panel is connected to adjacent wall panels at hinged connections and the wall panels are arranged so as to articulate at the hinged connections between a collapsed position and an expanded position defining a bottom wall and a plurality of side walls extending upwardly from the bottom wall. The container also includes a first latch that is configured to interlockingly engage when the wall panels are in the expanded position and a second latch that is configured to interlockingly engage when the wall panels are in the collapsed position.
B65D 6/00 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
B65D 8/14 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor characterised by wall construction or by connection between walls collapsible
B65D 8/00 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
A collapsible container includes a plurality of wall panels, wherein each wall panel is connected to each adjacent wall panel at a hinged connection. The wall panels are arranged so as to articulate at the hinged connections between a collapsed position and an expanded position defining a bottom wall and a plurality of side walls extending upwardly from the bottom wall. The collapsible container also includes an anti-fold lock that is disposed proximate to a hinged connection between first and second adjacent side walls. The first side wall includes at least two wall panels defining a diagonal hinge extending substantially between diagonally opposite corners of the side wall and the anti-fold lock is articulable into a locked position across the diagonal hinge.
B65D 6/00 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
A collapsible storage device includes a collapsible container and a lid for the container. The container includes a plurality of resilient wall panels and a hinge portion connecting each adjacent pair of wall panels. The container may be foldably converted between a substantially flat collapsed position and a substantially rectangular prismatic expanded position by articulating the wall panels about the flexible hinges. At least one of the hinge portions is arched to latch the container in the expanded position. The lid may be used to cover the container in the expanded position and receive the container in the collapsed position.
B65D 5/36 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
A reclosable pouch includes a body portion having first and second opposing sidewalls and a first web having a first portion attached to the first sidewall and a first unattached portion. The first web is disposed on an internal side of the first sidewall. The reclosable pouch further includes a second web having a second portion attached to the second sidewall and a second unattached portion. The second web is disposed on an internal side of the second sidewall. Additionally, the reclosable pouch includes a first closure mechanism having first and second closure profiles with the first closure profile disposed on the first web at the first attached portion and the second closure profile disposed on the second web at the second attached portion. Furthermore, the reclosable pouch includes a second closure mechanism having third and fourth closure profiles with the third closure profile disposed on the first web at the first unattached portion and the fourth closure profile disposed on the second web at the second unattached portion.
A reclosable pouch includes a body portion having first and second opposing sidewalls and a first web having a first portion attached to the first sidewall and a first unattached portion. The first web is disposed on an internal side of the first sidewall. The reclosable pouch further includes a second web having a second portion attached to the second sidewall and a second unattached portion. The second web is disposed on an internal side of the second sidewall. Additionally, the reclosable pouch includes a first closure mechanism having first and second closure profiles with the first closure profile disposed on the first web at the first attached portion and the second closure profile disposed on the second web at the second attached portion. Furthermore, the reclosable pouch includes a second closure mechanism having third and fourth closure profiles with the third closure profile disposed on the first web at the first unattached portion and the fourth closure profile disposed on the second web at the second unattached portion.
A closure assembly useable with a pouch or bag includes an elongate seal assembly and a slider. The seal assembly includes upper and lower interlocking profiles and a rib disposed between the interlocking profiles on at least one side of the seal assembly. The slider includes forward closure bars at a first end and a separator finger and lower closure bars adjacent to an opposing second end. The forward and lower closure bars occlude the upper and lower interlocking profiles. The separator finger extends between the upper interlocking profiles and presses outwardly against the rib to de-occlude the lower interlocking profiles. The lower interlocking profiles can be occluded along substantially an entire length thereof. The slider also includes a retention plate and pressing members, which operatively retain the slider on the seal assembly and may increase the opening force created by the separator finger against the rib.
A slider for use with an elongate closure mechanism includes a retention member protruding into a medial space between an upper pair of opposing interlocking members and a lower pair of opposing interlocking members. The retention members define a gap through which the upper pair of opposing interlocking members cannot pass, and that allows the slider to be slidably shifted along the length of the closure mechanism, thereby maintaining the slider operatively disposed thereon. The retention members may have the form of one or more protrusions disposed on an interior surface of a channel sidewall spaced between a top end of the channel sidewall and a bottom end of the channel sidewall.
A closure assembly includes a slider for opening and/or closing an elongate closure mechanism including a pair of opposing closure members. The slider includes a first separator finger and a second separator finger, each of which is articulably connected to a hinge member. The first and second separator fingers extend between the closure members and may be articulated between a closing position, in which the separator fingers are adjacent each other, and an opening position, in which the separator fingers are laterally spaced from each other. In the opening position, the separator fingers urge the members apart. Closing bars and retention members may also be included to facilitate re-closing the closure members and retaining the slider in an operative position thereon.
A pouch includes an elongate closure mechanism having upper and lower pairs of opposing interlocking profiles and a slider for opening and closing the closure mechanism. The slider includes upper closure bars vertically and longitudinally spaced from lower closure bars for occluding the upper and lower opposing interlocking profiles, respectively, and a separator member for separating only the upper opposing interlocking profiles. The lower closure bars are disposed at the opening end, and the upper closure bars are disposed at a closing end of the slider opposite the opening end. A longitudinal retention member extends longitudinally from the separator finger toward the closing end below the upper closure bars, and a lateral retention member extends laterally outwardly from the separator member above the lower closure bars. The longitudinal retention member and the lateral retention member each engages an underside of the upper pair of interlocking profiles to help retain the slider on the closure mechanism.
A resealable closure mechanism includes first and second closure strips. The first closure strip includes a plurality of discontinuous closure elements and the second closure strip includes a plurality of discontinuous closure elements. One or more of the discontinuous closure elements of the first closure strip randomly engages one or more of the discontinuous closure elements of the second closure strip.
A reclosable pouch includes interlocking male and female closure elements having elongate hollow closure profiles. The male closure profile has a hollow shaft section, and the female closure profile has a channel with at least one hollow side. Alternatively, a set of hollow male closure profiles may also form one or more female closure profiles therebetween. A set of pleated grip strips may be disposed adjacent the closure elements to aid in opening a pouch. The closure elements and grip strips may be integral with pouch sidewalls, may be secured and/or separately extruded on to, for example, a polymer, directly to pouch sidewalls, or may be secured to backing strips to form a closure strip, which may subsequently be secured to pouch sidewalls.
A collapsible storage device includes a collapsible container and a lid for the container. The container includes a plurality of resilient wall panels and a hinge portion connecting each adjacent pair of wall panels. The container may be foldably converted between a substantially flat collapsed position and a substantially rectangular prismatic expanded position by articulating the wall panels about the flexible hinges. At least one of the hinge portions is arched to latch the container in the expanded position. The lid may be used to cover the container in the expanded position and receive the container in the collapsed position.
B65D 5/36 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
B65D 43/08 - Removable lids or covers having a peripheral flange fitting over the rim of the container
B65D 5/00 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
B65D 85/62 - Containers, packaging elements or packages, specially adapted for particular articles or materials for stacks of articlesContainers, packaging elements or packages, specially adapted for particular articles or materials for special arrangements of groups of articles
B65D 6/00 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
B65D 8/14 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor characterised by wall construction or by connection between walls collapsible
A reclosable pouch comprises a body portion having first and second pouch walls and first, second, and third closure mechanisms which do not contact one another.
A reclosable pouch includes a closure assembly that comprises first and second closure profiles disposed on first and second side panels, respectively. A handle is provided that comprises discrete first and second handle sections. Each handle section has an opening in a central portion thereof. The first handle section is attached only to the first side panel at an area below the first closure profile and the second handle section is attached only to the second side panel at an area below the second closure profile. By providing the handle sections in such a manner, the first and second handle sections exert substantially more force on an internal side of the first and second closure profiles, respectively, than on an external side of the respective closure profiles.
A method of extruding two or more closure elements onto a web includes extruding the closure elements through a die plate having a first aperture for a first closure element and a second aperture for a second closure element. The first aperture is spaced from and at least partially overlaps the second aperture in a lateral direction. The partial overlapping of the apertures allows the closure elements to be spaced very closely together on the web. The space between the apertures prevents extrudate streams forming the elements from bonding to each other. The closely spaced elements are extruded through the same die plate without an interconnecting portion therebetween.
A multi-axis force analyzer and data acquisition system is disclosed. Using non-invasive structure, parts to be tested are analyzed without obstructing user access or defacing the object in any way. Accordingly, the forces required to open and close a container can be accurately and easily measured.
G01L 5/16 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
G01L 5/24 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed
37.
Collapsible storage device and method of making the same
A collapsible storage device includes a collapsible container and a lid for the container. The container includes a plurality of resilient wall panels and a flexible hinge connecting each adjacent pair of wall panels. The container may be foldably converted between a substantially flat collapsed position and a substantially rectangular prismatic expanded position by articulating the wall panels about the flexible hinges. One side of the lid is adapted to cover an opening into the container when the container is in an expanded position. The opposite side of the lid is adapted to receive the substantially flat collapsed container within a recess in the lid.
B65D 3/10 - Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently- secured end closure
B65D 5/00 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
B65D 13/00 - Containers having bodies formed by interconnecting two or more rigid, or substantially rigid, components made wholly or mainly of the same material, other than metal, plastics, wood or substitutes therefor
B65D 5/36 - Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
B65D 43/08 - Removable lids or covers having a peripheral flange fitting over the rim of the container
B65D 6/00 - Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor
B65D 8/14 - Containers having a curved cross-section formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal, plastics, wood or substitutes therefor characterised by wall construction or by connection between walls collapsible
B65D 30/10 - Sacks, bags or like containers characterised by shape or construction
B65D 33/02 - Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
B65D 21/00 - Nestable, stackable or joinable containersContainers of variable capacity
B65D 85/62 - Containers, packaging elements or packages, specially adapted for particular articles or materials for stacks of articlesContainers, packaging elements or packages, specially adapted for particular articles or materials for special arrangements of groups of articles
38.
APPARATUS FOR AND METHOD OF POSITIONING A SLIDER ON MATING ZIPPER ELEMENTS
An apparatus used in the manufacture of a thermoplastic zipper having a slider mounted thereon includes a pair of clamp arms disposed on opposing sides of a path of the zipper. The clamp arms are movable in directions substantially perpendicular to the zipper path so as to clamp the thermoplastic zipper to fuse a length thereof. A pair of fingers is disposed on opposing sides of the zipper path. The fingers are movable in directions substantially perpendicular to the zipper path and in directions substantially parallel with the zipper path relative to the clamp arms. The fingers push the slider along the zipper.
A manufacturing apparatus, for moving sliders for opening and closing mating zipper elements along the mating zipper elements, includes a roller and a projection. The roller rotates about an axis substantially perpendicular with a path of a film including the mating zipper elements and contacts the film as the film moves in the film path at a speed equal to the speed of rotation of the roller. The projection rotates about an axis at a speed different than the rotational speed of the roller, with the projection rotating into proximity to the moving film along predetermined lengths of the film so as to be contactable with sliders mounted thereon. The projection comes into contact with sliders positioned along the mating zipper elements of the predetermined lengths of film and pushes those sliders along the mating zipper elements to respective registered positions.
A pouch production apparatus (12) includes a pouch forming apparatus operable to form pouches (18) from anelongate web of material and zipper tape and an extrusion apparatus (20) responsive to operation of the pouch forming apparatusand operable to extrude zipper tape. A pneumatic transport apparatus is operable to transport the zipper tape from the extrusionapparatus to the pouch forming apparatus during operation of the pouch forming apparatus. A method of producing a pouch usingsuch apparatus is also disclosed.
A zippered bag includes two sheets sealed to each other along a plurality of edges to form opposing bag sides. The bag also includes a first fastener strip including an inner wall and an outer wall hinged to the inner wall, with the first fastener strip being attached to one of the opposing bag sides. The inner wall includes a first profile. A second fastener strip includes a second profile, the second fastener strip being attached to the other one of the opposing bag sides. The first and second profiles are adapted to interlock to close the bag, wherein the first and second profiles each include an uppermost closure element, an intermediate closure element, and a bottommost closure element. A slider straddles the first and second fastener strips such that the uppermost, intermediate, and bottommost closure elements are enclosed by the slider and the slider is movable between a closed position and an open position. The slider includes a separator leg disposed between the first and second profiles, with the separator leg extending down from a top surface of the slider. The separator leg extends through the uppermost and intermediate closure elements such that the bottommost closure elements remain in contact under the separator leg when the slider is moved into the closed position, but the bottommost closure elements are opened by the slider when moved into the open position.
A reclosable pouch comprises a body portion having first and second bag walls. A first and a second closure mechanism (238a, 238b) are disposed on internal sides of both the first and second bag walls. The first closure mechanism (238a) includes a firsti, female closure element (244b) and a first male closure element (244a). The second closure mechanism (238b) includes a second female closure element (256b) and a second male closure element (256a). The first male closure element (244a) includes two hook portions (251a, 251b) extending from an end thereof to engage the legs (252, 254) of the female closure element (244b) and the second male closure element (256a) includes only one hook portion (265) extending from an end thereof to engage one of the legs (262, 260) of the second female closure element (256b). The first male closure element (244a) disengages from the first female closure element (244b) with a first external opening force and the second male closure element (256a) disengages from the second female closure element (256b) with a second external opening force that is less than the first external opening force.
A method of and apparatus for producing plastic bags are disclosed. A web of plastic is folded to form an elongate folded web having free ends and closer tape is secured to the free ends of the elongate folded web. End stops are formed in the closer tape at spaced locations thereof and an indicia is formed in the end stops. The elongate folded web is simultaneously severed and sealed at the spaced locations to produce individual bags.
B31B 1/84 - Forming valves or applying valve inserts
B65B 61/18 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for applying or incorporating package-opening or unpacking elements, e.g. tear-strips
patents
