The unwinder includes an unwinding station, in which to arrange a reel to be unwound. In the unwinding station there is arranged a series of guide rollers, defining a feed path of the web material. There are also provided: a cutting member adapted to cut a web material coming from an exhausted reel; and splicing members to splice a trailing edge of a first web material coming from an exhausted reel to a leading edge of a second web material coming from a new reel. A pick-up device is configured to pick up the leading edge of the second web material from a temporary retaining element, carried by a transfer unit to transfer reels to the unwinding station.
In order to thread a web material in a converting machine a system is provided, with a first continuous flexible member (17) and a second flexible member (19). An anchoring element (31), to which there can be fixed the web material leading edge, may be transferred from one to the other of the two flexible members so as to facilitate the threading operations.
The perforating device for perforating a web material including a first blade-holder adapted to rotate around a respective first rotation axis and on which at least a first perforating blade is mounted. The device further includes a support beam, on which a plurality of counter-blades are mounted, the support beam being angularly adjustable around a selection rotation axis thereof in a plurality of angular working positions, in each angular working position one of the counter-blades being in an operative position. A movable abutment is also provided adapted to co-act with the support beam. A first actuating device is provided for moving the movable abutment between an active position, where the movable abutment co-acts with the support beam, and an idle position, where the movable abutment is spaced from the support beam. A second actuating device is provided for rotating the support beam in order to arrange it selectively in one of the angular working positions.
B26D 1/38 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting 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 fixed blade or other fixed member
B26D 7/26 - Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
B26F 1/20 - Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
4.
Control system for controlling the access to tissue paper converting lines and the like, and related method
A web material converting line is disclosed, in particular for converting tissue paper, including a plurality of converting sections arranged in sequence along a feeding direction of a web material to be converted, each section including a converting machine; at least one converting section of the converting line includes a detection system for detecting the presence of people near the converting section. The detection system includes at least a first presence sensor and is adapted to detect the presence of people in at least a controlled area. The controlled area is subdivided into an accessible area that can be accessed when the line is working, and an alarm area. The detection system is adapted to distinguish between the presence of an individual in the accessible area and the presence of an individual in the alarm area. The detection system is connected to a control unit adapted to intervene on the operation of the converting section based on information provided by the detection system.
F16P 3/00 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
F16P 3/08 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
5.
MACHINE AND METHOD FOR EMBOSSING PAPER WEB PRODUCTS
A machine for embossing, comprising at least one pair of embossing nips (18, 19) for plies (V1, V2) of paper, at least one laminating nip (22) to bond said plies of paper, a pair of embossing cylinders (13, 14), each having on its surface a respective plurality of embossing protrusions, each defining a wrap angle for said at least one ply of paper, and defining therebetween a transfer nip (15), a pair of pressure cylinders (16, 17), each associated with a respective one of said embossing cylinder, said embossing nip being defined between each pair formed of embossing cylinder and pressure cylinder, a laminating device (20) for bonding the plies delivered from said transfer nip, at least one distribution device (25.1) of material to facilitate ply-bonding arranged upstream of said laminating device, and at least one heating device (23, 23') for at least one of said embossing cylinders.
An embossing device and a method for embossing, employing an electromagnetic induction device (19, 20) such as to induce an eddy current prevalently on the outer surface of an embossing roller (4, 5). The eddy currents are such as to prevalently heat the outer surface of the embossing roller.
A machine for embossing, comprising at least one pair of embossing nips (18, 19) for plies (V1, V2) of paper, at least one laminating nip (22) to bond said plies of paper, a pair of embossing cylinders (13, 14), each having on its surface a respective plurality of embossing protrusions, each defining a wrap angle for said at least one ply of paper, and defining therebetween a transfer nip (15), a pair of pressure cylinders (16, 17), each associated with a respective one of said embossing cylinder, said embossing nip being defined between each pair formed of embossing cylinder and pressure cylinder, a laminating device (20) for bonding the plies delivered from said transfer nip, at least one distribution device (25.1) of material to facilitate ply-bonding arranged upstream of said laminating device, and at least one heating device (23, 23') for at least one of said embossing cylinders.
An embossing device and a method for embossing, employing an electromagnetic induction device (19, 20) such as to induce an eddy current prevalently on the outer surface of an embossing roller (4, 5). The eddy currents are such as to prevalently heat the outer surface of the embossing roller.
The protective masks (1) are produced by perforating a continuous web material. To this end, each protective mask can be separated from the other masks along perforation lines (1.3), and then wound into a roll. The protective masks have transverse perforation lines (1.4) which are opened at the time of use to form openings into which the ears can be inserted and thus secure the protective mask to the face.
A41D 13/11 - Protective face masks, e.g. for surgical use, or for use in foul atmospheres
B65H 35/02 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
B65H 35/04 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
The unwinder includes a pair of tailstocks adapted to engage and support a reel to be unwound and a peripheral unwinding device adapted to coact with a reel in the unwinding station. There is also provided a shuttle adapted to insert reels into the unwinding station, movable between a loading position of the reel on the shuttle and a position aligned with the pair of tailstocks, to transfer a reel from the shuttle to the tailstocks or vice versa. In use, the peripheral unwinding device is positioned under the reel of web material, so that the force exerted by the peripheral unwinding device on the reel being unwound has a component that is subtracted from the weight force of the reel.
The folding roller includes a rotation axis and at least a gripping member extending longitudinally along the folding roller, controlled by at least a piezoelectric actuator. The piezoelectric actuator causes a pivoting movement of the gripping member about its pivoting axis parallel to the rotation axis of the folding roller.
The wrapping machine includes a feed path of products to be wrapped in a wrapping sheet. An insertion station of products to be wrapped in a wrapping sheet, and folding members of the wrapping sheet are arranged along the feed path. A conveyor device receives the products in the insertion station and causes their feed through the folding members. The conveyor device includes a system of endless flexible members that define a closed trajectory along which carriages move. The machine also includes a magazine of carriages associated with the system of flexible members and manipulators adapted to pick up carriages from the magazine and attach them to the system of flexible members, and to pick up carriages from the system of flexible members and place them in the magazine.
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
B65B 11/22 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
B65B 35/44 - Arranging and feeding articles in groups by endless belts or chains
B65B 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
B65G 47/84 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
13.
Method and machine for cutting logs of wound web material
The cutting machine for cutting logs of web material, includes a cutting head arranged along the feeding path of the logs. The cutting head includes a coupling for a disc-shaped cutting blade and is designed to impart the disc-shaped cutting blade a rotary motion around the axis thereof and a cyclic movement to cut the logs into single rolls, and to allow the logs to move forward along the feeding path. The machine also includes a store unit for disc-shaped cutting blades associated with the cutting head. A handling member is provided to remove a worn disc-shaped cutting blade from the cutting head and replace the worn disc-shaped cutting blade with a new disc-shaped cutting blade taken from the store unit.
B26D 7/26 - Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
B23Q 3/157 - Arrangements for automatic insertion or removal of tools of rotary tools
B23Q 3/155 - Arrangements for automatic insertion or removal of tools
B26D 1/157 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
B26D 5/22 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
14.
CUTTING MACHINE FOR PRODUCTS MADE OF CELLULOSE MATERIAL AND RELATED METHOD
The machine comprises a feed channel of a product to be cut and members for feeding the product along the feed channel. A cutting blade is provided to cut the products into articles according to cutting planes orthogonal to a longitudinal direction of the products and a sharpening unit is provided to sharpen the cutting blade. The machine further comprises an adjustment system that receives in input at least one information on the operation of the cutting machine and provides, in response to the information, an adjustment command of the cutting machine.
B26D 5/00 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
B26D 5/32 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
B26D 1/18 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
B24B 3/46 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
15.
METHOD AND MACHINE FOR PRODUCING MULTY-PLY CELLULOSE WEB MATERIAL, AND MATERIAL PRODUCED
For bonding together two or more plies of cellulose fibers, the plies are fed to a lamination nip between a ply-bonding rotating element and an anvil element. The ply-bonding rotating element has rollers with a cylindrical surface provided with small protuberances co-acting with larger protuberances provided on a cylindrical surface of the anvil rotating element. The plies are bonded, if necessary with the aid of a functional fluid, not containing adhesive, due to the effect of the pressure between the protuberances.
Converting line for paper rolls, comprising at least one converting apparatus adapted to convert paper plies, wound in parent reels, into rolls, a packing machine that in turn comprises - a carrier conveyor, on which the rolls coming from said converting apparatus are arranged, - at least one side area at the side of said carrier conveyor, where said rolls are packed, - at least one robot adapted to take the rolls from said at least one conveyor belt and to put them in said at least one side area.
B65B 5/08 - Packaging groups of articles, the articles being individually gripped or guided for transfer to the containers or receptacles
B65B 5/10 - Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
B65B 11/00 - Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 35/24 - Feeding, e.g. conveying, single articles by endless belts or chains
B65B 35/44 - Arranging and feeding articles in groups by endless belts or chains
B65B 35/54 - Feeding articles along multiple paths to a single packaging position
B65B 35/36 - Arranging and feeding articles in groups by grippers
B65B 35/58 - Turning articles by positively-acting means, e.g. to present labelled portions in uppermost position
B65B 57/14 - Automatic control, checking, warning or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
B65B 65/00 - MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING - Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
B65B 35/38 - Arranging and feeding articles in groups by grippers by suction-operated grippers
The grinding unit includes at least one grinding wheel adapted to rotate around a respective rotation axis, and a thrust actuator adapted to push the grinding wheel against a cutting edge of a disc-shaped cutting blade. A load cell is also provided for detecting an axial thrust exerted on the grinding wheel.
B24B 49/16 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
B24B 3/46 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
B26D 1/16 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
B26D 1/00 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor
A line is disclosed for producing logs of web material provided with a system for controlling, in real time, one or more parameters of the logs produced by the line and for facilitating any corrective actions. The line includes a rewinder, a feed path for the logs from the rewinder towards at least one station arranged downstream of the rewinder; and a measurement station. The measurement station includes at least a measurement device for measuring at least one parameter of logs randomly selected from the feed path and held in the measurement station, for example a device for measuring the firmness of the logs. The measurement station further includes first transferring members for transferring selected logs from the feed path to the measurement station, and second transferring members for transferring selected logs from the measurement station to the feed path.
The machine for packaging groups of products (R) in a wrapping sheet (F), comprises a device for spreading a wrapping sheet (F) and a handling device, adapted to reciprocally move a group of products (R) to be packaged and the wrapping sheet, so as to wrap the wrapping sheet (F) around the group of products (R) as a result of the reciprocal movement between wrapping sheet and group of products. The machine further comprises temporary support members (41.1,41.2) adapted to support flaps of the wrapping sheet (F) protruding with respect to the group of products during a step of reciprocal movement between the group of products to be packaged and the wrapping sheet.
B65B 11/20 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents
B65B 11/22 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
20.
MACHINE AND METHOD FOR PACKAGING ROLLS AND THE LIKE
The machine comprises a device for spreading a wrapping sheet and an elevator, adapted to move a roll to be wrapped with respect to the wrapping sheet, so as to wrap the wrapping sheet around the roll as a result of the movement between the wrapping sheet and the roll. The machine further comprises members adapted to reduce the formation of creases in the wrapping sheet during the movement of the roll with respect to the wrapping sheet.
B65B 11/20 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents
B65B 11/22 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
21.
Machine for packaging and method of packaging articles in tubular packs of plastic film
The packaging machine includes a wrapping tunnel, adapted to form a tube of plastic film around a group of articles and a feed conveyor adapted to feed articles to be packaged toward the wrapping tunnel. An elevator is positioned between the feed conveyor and the wrapping tunnel, and is movable vertically from a lower position, to receive articles coming from the feed conveyor, to a higher height, to transfer articles to the wrapping tunnel. A pusher is arranged to push articles to be packaged from the elevator into the wrapping tunnel. An auxiliary conveyor is also provided between the feed conveyor and the elevator. An upender is associated with the auxiliary conveyor, adapted to be arranged selectively in an active position, to co-act with the auxiliary conveyor to upend articles coming from the feed conveyor and transfer them toward the elevator, and in a deactivated position.
B65B 9/073 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web having intermittent motion
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
B65B 59/02 - Arrangements to enable adjustments to be made while the machine is running
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 35/40 - Arranging and feeding articles in groups by reciprocating or oscillatory pushers
B65B 35/52 - Stacking one article, or group of articles, upon another before packaging building-up the stack from the bottom
B65B 35/54 - Feeding articles along multiple paths to a single packaging position
B65B 57/10 - Automatic control, checking, warning or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
B65B 35/58 - Turning articles by positively-acting means, e.g. to present labelled portions in uppermost position
B65B 35/44 - Arranging and feeding articles in groups by endless belts or chains
22.
Packaging machine with upending and stacking devices
The packaging machine includes a wrapping tunnel, adapted to form a tube of plastic film around a group of articles and a feed conveyor, adapted to feed articles to be packaged toward the wrapping tunnel. An elevator is positioned between the feed conveyor and the wrapping tunnel, and is movable vertically from a lower position, to receive articles coming from the feed conveyor, to a higher height, to transfer articles to the wrapping tunnel. A pusher is arranged to push articles to be packaged from the elevator into the wrapping tunnel. An auxiliary conveyor is also provided between the feed conveyor and the elevator. An upender is associated with the auxiliary conveyor, adapted to be arranged selectively in an active position, to co-act with the auxiliary conveyor to upend articles coming from the feed conveyor and transfer them toward the elevator, and in a deactivated position.
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
B65B 35/40 - Arranging and feeding articles in groups by reciprocating or oscillatory pushers
B65B 35/44 - Arranging and feeding articles in groups by endless belts or chains
B65B 35/52 - Stacking one article, or group of articles, upon another before packaging building-up the stack from the bottom
B65B 35/58 - Turning articles by positively-acting means, e.g. to present labelled portions in uppermost position
23.
A DEVICE FOR REPLACING A REEL IN AN UNWINDER AND RELATED METHOD
The unwinder comprises an unwinding station (15), in which to arrange a reel to be unwound. In the unwinding station there is arranged a series of guide rollers (31, 33, 35), defining a feed path of the web material (N0, N1). There are also provided: a cutting member (37) adapted to cut a web material (N0) coming from an exhausted reel (B0); and splicing members (37, N0) to splice a trailing edge (LC) of a first web material (N0) coming from an exhausted reel (B0) to a leading edge (LT) of a second web material (N1) coming from a new reel (B1); A pick-up device (41) is configured to pick up the leading edge (LT) of the second web material (N1) from a temporary retaining element (9), carried by a transfer unit (6) to transfer reels (B0, B1) to the unwinding station (15).
The grinding unit includes a slide provided with a movement towards and away from the disc-shaped cutting blade. On the slide, at least a first grinding wheel and a second grinding wheel are arranged so as to act on a first flank and on a second flank of a cutting edge of the disc-shaped cutting blade. The first grinding wheel and the second grinding wheel are respectively carried by a first arm and by a second arm that are mounted so as to rotate around a respective rotation axis with respect to the slide (115) in order to move towards and away from the disc-shaped cutting blade. The first arm and the second arm are associated with angular locking members adapted to lock the first arm and the second arm in a respective operative angular position with respect to the slide.
The perforating device (5) for perforating a web material (N) comprising a first blade-holder (25; 27) adapted to rotate around a respective first rotation axis (25 A; 27A) and on which at least a first perforating blade (29; 31) is mounted. The device further comprises a support beam (21), on which a plurality of counter-blades (23) are mounted; said support beam (21) being angularly adjustable around a selection rotation axis (21 A) thereof in a plurality of angular working positions, in each angular working position one of the counter-blades (23) being in an operative position. A movable abutment (33) is also provided adapted to co-act with the support beam (21). A first actuating device (43) is provided for moving the movable abutment (33) between an active position, where the movable abutment (33) co-acts with the support beam (21), and an idle position, where the movable abutment (33) is spaced from the support beam (21). A second actuating device (61) is provided for rotating the support beam (21) in order to arrange it selectively in one of said angular working positions.
B26D 1/38 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting 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 fixed blade or other fixed member
B26D 7/26 - Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
B26F 1/20 - Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
26.
CONTROL SYSTEM FOR CONTROLLING THE ACCESS TO TISSUE PAPER CONVERTING LINES AND THE LIKE, AND RELATED METHOD
A web material converting line is disclosed, in particular for converting tissue paper, comprising: a plurality of converting sections arranged in sequence along a feeding direction (F) of a web material to be converted, each section comprising a converting machine; At least one converting section (1; 1A, 1B) of the converting line comprises a detection system (S1, S2, S3) for detecting the presence of people near the converting section (1; 1A, 1B). The detection system comprises at least a first presence sensor (S1; S2; S3) and is adapted to detect the presence of people in at least a controlled area (13). The controlled area (13) is subdivided into an accessible area (15) that can be accessed when the line is working, and an alarm area (17). The detection system (S1, S2, S3) is adapted to distinguish between the presence of an individual in the accessible area (15) and the presence of an individual in the alarm area (17). The detection system is connected to a control unit (41) adapted to intervene on the operation of the converting section based on information provided by the detection system (S1, S2, S3).
F16P 3/08 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
F16P 3/12 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
B65H 26/00 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
The mechanical ply-bonding member (7) for a mechanical ply-bonding unit (1) has a side surface with a plurality of protuberances (21) spaced by cavities (23), provided for example through engraving. The cavities are at least partially filled with a yielding material (25). The mechanical ply-bonding unit comprises a mechanical ply-bonding member (7) and an anvil member, for instance an anvil roller (9).
The wrapping machine includes a feed path of products to be wrapped in a wrapping sheet and, along the feed path, an insertion station of products to be wrapped in a wrapping sheet and folding members of the wrapping sheet. The machine further includes a conveyor device, which receives the products in the insertion station and causes their feed through the folding members. The conveyor device includes a system of endless flexible members formed by toothed belts guided around toothed wheels. Each toothed belt includes a first series of internal teeth, cooperating with toothed guide wheels, and a second series of external teeth, cooperating with connection elements of carriages that carry prongs for feeding the products to be wrapped. The connection elements include toothed profiles complementary to the external teeth of the toothed belts, suitable to provide a shape coupling with the external teeth of the respective toothed belts.
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
B65B 11/22 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
B65B 35/44 - Arranging and feeding articles in groups by endless belts or chains
B65B 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
B65G 19/24 - Attachment of impellers to traction element
B65G 47/84 - Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
The unwinder (1) comprises a pair of tailstocks (21A, 21B) adapted to engage and support a reel (B1, B2, B3) to be unwound and a peripheral unwinding device (5) adapted to co-act with a reel in said unwinding station (1A; 1B). There is also provided a shuttle (31) adapted to insert reels into the unwinding station, movable between a loading position of the reel on the shuttle and a position aligned with the pair of tailstocks (21A, 21B), to transfer a reel from the shuttle (31) to the tailstocks (21A, 21B) or vice versa; In use, the peripheral unwinding device (5) is positioned under the reel (B1, B2) of web material (N1, N2), so that the force exerted by the peripheral unwinding device on the reel being unwound has a component that is subtracted from the weight force of the reel.
The unwinder (1) comprises a pair of tailstocks (21A, 21B) adapted to engage and support a reel (B1, B2, B3) to be unwound and a peripheral unwinding device (5) adapted to co-act with a reel in said unwinding station (1A; 1B). There is also provided a shuttle (31) adapted to insert reels into the unwinding station, movable between a loading position of the reel on the shuttle and a position aligned with the pair of tailstocks (21A, 21B), to transfer a reel from the shuttle (31) to the tailstocks (21A, 21B) or vice versa; In use, the peripheral unwinding device (5) is positioned under the reel (B1, B2) of web material (N1, N2), so that the force exerted by the peripheral unwinding device on the reel being unwound has a component that is subtracted from the weight force of the reel.
The device (3; 201; 202) with rotating blades comprises a support structure (17; 217). The structure supports a rotating blade -holder (15; 15B; 203; 205), which rotates around a rotation axis and on which a group of rotating blades (19; 19B; 203A; 205A) is arranged. An anvil blade (21; 21B; 21C; 204; 206) is further provided carried on the support structure (17; 217) adapted to co-act with said group of rotating blades (19; 19B; 203A; 205A). A sensor (31; 104; 105; 107; 231; 232) detects a parameter indicative of a mutual interaction between the group of rotating blades (19; 19B; 203A; 205A) and the anvil blade (21; 21B; 21C; 204; 206).
B26D 1/40 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting 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 5/00 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
B26F 1/20 - Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
B26D 1/00 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor
The folding roller (9; 11) comprises a rotation axis (9A; 11A) and at least a gripping member (15; 17) extending longitudinally along the folding roller (9; 11), controlled by at least a piezoelectric actuator (331). The piezoelectric actuator (331) causes a pivoting movement of the gripping member (9; 11) about its pivoting axis (319A) parallel to the rotation axis (9A, 11 A) of the folding roller (9; 11).
A converting line for processing tissue paper includes an unwinder for unwinding reels of tissue paper; a rewinding machine for forming rolls of tissue paper; a feeding path between the unwinder and the rewinding machine, for at least one ply of tissue paper; along the feeding path, a first detection unit to detect the thickness of the tissue paper fed along the feeding path in a feeding direction; a control system, interfacing with the detection unit, and configured to act on at least one production parameter of the converting line based on the detected tissue paper thickness.
D21G 9/00 - Other accessories for paper-making machines
B65H 18/14 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
D21F 11/00 - Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines
G01B 11/06 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness for measuring thickness
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
34.
METHOD FOR PERFORMING MEASUREMENTS OF LOGS IN A PRODUCTION LINE AND PRODUCTION LINE FOR IMPLEMENTING THE METHOD
A line (1) is disclosed for producing logs (R) of web material (N) provided with a system for controlling, in real time, one or more parameters of the logs produced by the line and for facilitating any corrective actions. The line (1) comprises a rewinder (7), a feed path for the logs (R) from the rewinder towards at least one station (9, 10, 12) arranged downstream of the rewinder (7); and a measurement station (11). The measurement station (11) comprises at least a measurement device for measuring at least one parameter of logs (R) randomly selected from the feed path and held in the measurement station (11), for example a device (91, 93, 95) for measuring the firmness of the logs (R). The measurement station (11) further comprises first transferring members (31) for transferring selected logs (R) from the feed path to the measurement station (11), and second transferring members (67, 69) for transferring selected logs from the measurement station (11) to the feed path.
The machine for closing the tail end of logs of web material, includes an advancing path of the logs and, along the log advancing path, a tail end unwinding, positioning and sealing station. The tail end unwinding, positioning and sealing station includes an aperture that extends downwards from an inlet under the log advancing path. At least a first Coanda effect nozzle is placed at the inlet of the aperture, to generate a flow of air adapted to draw into the aperture the tail end of a log that is in the tail end unwinding, positioning and sealing station.
The interfolding machine (1) comprises a first interfolding roller (9) rotating around a first rotation axis (9 A) and a second interfolding roller (11) rotating around a second rotation axis (HA) parallel to the first rotation axis (9 A); wherein the first interfolding roller (9) and the second interfolding roller (11) form an interfolding nip (13) therebetween. The interfolding machine further comprises a first set of separation fingers (21) associated with the first interfolding roller (9) and arranged for reciprocatingly pivoting around a first pivoting axis (21 A) parallel to the first rotation axis (9A). The reciprocating pivoting movement of the first set of separation fingers (21) is controlled by a first actuation mechanism (25) comprising a first desmodromic cam (51), The interfolding machine (1) also comprises a second set of separation fingers (23) associated with the second interfolding roller (11) and arranged for reciprocatingly pivoting around a second pivoting axis (23 A) parallel to the second rotation axis (11 A). The reciprocating pivoting movement of the second set of separation fingers (23) is controlled by a second actuation mechanism (27) comprising a second desmodromic cam (51).
The method provides for detecting a temporary stop request by a machine of the line, for example to replace a member subject to wear or a consumable. In view of this stop, the speed of the line is modulated so as to increase, for example, the level of filling of an accumulator, and makes sure that the subsequent temporary stop has a minimum effect on the overall productivity of the line.
B65H 26/08 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to a predetermined diameter
B65H 26/00 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
The rewinding machine includes a first winding cradle formed between a first winding roller, a second winding roller and a third winding roller. The first winding roller and the second winding roller define a nip through which there pass the winding cores with the web material being wound around them. The rewinding machine also includes a feed path of the winding cores that pass between the first winding roller and the third winding roller. A second winding cradle is formed between the first winding roller, the second winding roller and a fourth winding roller. The rewinding machine also includes a rolling surface extending around the first winding roller and defining a feed channel of the winding cores.
B65H 18/20 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
B65H 19/22 - Changing the web roll in winding mechanisms or in connection with winding operations
B65H 19/26 - Cutting-off the web running to the wound web roll
39.
Magazine for embossing rollers and embossing device comprising the magazine
The magazine for embossing rollers includes a plurality of support seats for embossing rollers, adjacent to one another according to an alignment direction. The magazine further includes a guide system for guiding the seats in a handling direction. The seats are provided with mutual connecting members so as to be connected to, and released from, one another.
B31F 1/28 - Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders combined with uniting the corrugated webs to flat webs
40.
Machine for cutting logs with grinding wheels and method
The machine includes a feeding path for the logs to be cut and a cutting head arranged along the feeding path. The cutting head includes a coupling for a disc-shaped cutting blade and is designed to impart the disc-shaped cutting blade a rotary motion around the axis thereof and a cyclic movement to cut the logs into single rolls, and to allow the logs to move forward along the feeding path. The machine also includes at least a grinding unit, including at least one grinding wheel mounted onto a rotation shaft and co-acting with a side of the disc-shaped cutting blade to grind the cutting edge of the same disc-shaped cutting blade. A controlled approach system is also provided to move the grinding wheel towards the disc-shaped cutting blade.
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
B26D 1/16 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like
B24B 3/46 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
B26D 5/22 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected
41.
PACKAGING MACHINE WITH UPENDING AND STACKING DEVICES
The packaging machine (3) comprises a wrapping tunnel (21), adapted to form a tube of plastic film around a group of articles (A) and a feed conveyor (7), adapted to feed articles (A) to be packaged toward the wrapping tunnel (21). An elevator (23) is positioned between the feed conveyor (7) and the wrapping tunnel (21), and is movable vertically from a lower position, to receive articles (A) coming from the feed conveyor (7), to a higher height, to transfer articles (A) to the wrapping tunnel (21). A pusher (35) is arranged to push articles (A) to be packaged from the elevator (23) into the wrapping tunnel (21). An auxiliary conveyor (27) is also provided between the feed conveyor (7) and the elevator (23). An upender (51) is associated with the auxiliary conveyor (27), adapted to be arranged selectively in an active position, to co-act with the auxiliary conveyor (27) to upend articles (A) coming from the feed conveyor (7) and transfer them toward the elevator (23), and in a deactivated position.
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 35/40 - Arranging and feeding articles in groups by reciprocating or oscillatory pushers
B65B 35/44 - Arranging and feeding articles in groups by endless belts or chains
B65B 35/52 - Stacking one article, or group of articles, upon another before packaging building-up the stack from the bottom
B65B 35/58 - Turning articles by positively-acting means, e.g. to present labelled portions in uppermost position
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
B65B 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
B65B 5/06 - Packaging groups of articles, the groups being treated as single articles
B65B 9/073 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web having intermittent motion
42.
PACKAGING MACHINE WITH UPENDING AND STACKING DEVICES
The packaging machine (3) comprises a wrapping tunnel (21), adapted to form a tube of plastic film around a group of articles (A) and a feed conveyor (7), adapted to feed articles (A) to be packaged toward the wrapping tunnel (21). An elevator (23), positioned between the feed conveyor (7) and the wrapping tunnel (21), is movable vertically from a lower position, to receive articles (A) from the feed conveyor (7), to a higher position, to transfer articles (A) to the wrapping tunnel (21). A pusher (35) is provided to push articles (A) to be packaged from the elevator into the wrapping tunnel (21). The movement of the pusher (35) is controlled as a function of the size of the group of articles (A) to be packaged.
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 35/40 - Arranging and feeding articles in groups by reciprocating or oscillatory pushers
B65B 35/52 - Stacking one article, or group of articles, upon another before packaging building-up the stack from the bottom
B65B 35/54 - Feeding articles along multiple paths to a single packaging position
B65B 35/58 - Turning articles by positively-acting means, e.g. to present labelled portions in uppermost position
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
B65B 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
B65B 5/06 - Packaging groups of articles, the groups being treated as single articles
B65B 9/073 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web having intermittent motion
B65B 59/02 - Arrangements to enable adjustments to be made while the machine is running
B65B 57/10 - Automatic control, checking, warning or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
43.
CUTTING MACHINE FOR CUTTING ELONGATED PRODUCTS, AND RELATED METHOD
The cutting machine (1) comprises at least one feed path (5) for elongated products (7), wherein the elongated products (7) move forwards along a direction substantially parallel to the longitudinal extension thereof. The cutting machine (1) comprises a rotating unit (25) adapted to rotate around a rotation axis (A-A), carrying at least one first disc-shaped cutting blade (37) and one second disc-shaped cutting blade (39). The rotation of the rotating unit (25) causes an orbital movement of the first disc- shaped cutting blade (37) and of the second disc-shaped cutting blade (39) along trajectories intersecting the product feed path (5). The first disc-shaped cutting blade (37) and the second disc-shaped cutting blade (39) are offset from each other in a direction parallel to the product feed path (5). The first disc-shaped cutting blade (37) and the second disc-shaped cutting blade (39) are also angularly offset from each other with respect to the rotation axis (A-A) of the rotating unit (25).
B26D 1/16 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
B26D 7/26 - Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
B26D 5/20 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
B26D 7/06 - Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
The grinding unit (61; 63) comprises a slide (115) a slide (115) provided with a movement towards and away from the disc-shaped cutting blade (37; 39). On the slide (115), at least a first grinding wheel (101; 201; 301) and a second grinding wheel (103; 203; 303) are arranged so as to act on a first flank and on a second flank of a cutting edge (38) of the disc-shaped cutting blade (37; 39). The first grinding wheel and the second grinding wheel are respectively carried by a first arm (107; 207; 307) and by a second arm (111; 211; 311) that are mounted so as to rotate around a respective rotation axis (D-D) with respect to the slide (115) in order to move towards and away from the disc-shaped cutting blade (37; 39). The first arm and the second arm are associated with angular locking members (121, 123; 221; 223; 321, 323) adapted to lock the first arm and the second arm in a respective operative angular position with respect to the slide.
The grinding unit (29) comprises at least one grinding wheel (47) adapted to rotate around a respective rotation axis (C-C), and a thrust actuator (37) adapted to push the grinding wheel (47) against a cutting edge (18) of the disc-shaped cutting blade (17). A load cell (63) is also provided for detecting an axial thrust exerted on the grinding wheel (47).
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
B26D 1/16 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like
B24B 49/16 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
B24B 3/36 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
B24B 3/46 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
A wrapping machine for rolls of tissue paper, comprising a travel path of the rolls to be packaged, a station and a feed path of a plastic packaging film toward the travel path, arranged and configured to wrap a portion of said plastic film around a roll or group of rolls to be packaged, wherein an embossing assembly is positioned along said feed path of the plastic film, adapted to emboss the plastic film before it is wrapped around the rolls to be packaged.
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 41/10 - Feeding sheets or wrapper blanks by rollers
B65B 11/22 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
The wrapping machine (1) comprises a feed path (P) of products (R) to be wrapped in a wrapping sheet (F) and, along the feed path (P), an insertion station (35) of products to be wrapped in a wrapping sheet and folding members (39) of the wrapping sheet (F). The machine further comprises a conveyor device (8), which receives the products (R) in the insertion station (35) and causes their feed through the folding members (39). The conveyor device comprises a system of endless flexible members (9, 11) formed by toothed belts (9, 11) guided around toothed wheels. Each toothed belt comprises a first series of internal teeth (Tint), cooperating with toothed guide wheels (21, 23, 25, 27), and a second series of external teeth (Text), cooperating with connection elements (68) of carriages (29, 30) that carry prongs for feeding the products to be wrapped. The connection elements (68) comprise toothed profiles (68) complementary to the external teeth (Text) of the toothed belts (9, 11), suitable to provide a shape coupling with the external teeth (Text) of the respective toothed belts (9, 11).
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
B65B 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
B65B 11/22 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
The wrapping machine (1) comprises a feed path (P) of products (R) to be wrapped in a wrapping sheet (F). An insertion station (35) of products (R) to be wrapped in a wrapping sheet (F), and folding members (39) of the wrapping sheet (F) are arranged along the feed path. A conveyor device (8) receives the products (R) in the insertion station (35) and causes their feed through the folding members (39). The conveyor device (8) comprises a system of endless flexible members (9, 11) that define a closed trajectory along which carriages (29, 30) move. The machine also comprises a magazine (5) of carriages (29, 30) associated with the system of flexible members (9, 11) and manipulators (61) adapted to pick up carriages (29, 30) from the magazine (5) and attach them to the system of flexible members (9, 11), and to pick up carriages (29, 30) from the system of flexible members (9, 11) and place them in the magazine (5).
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 59/00 - Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages or to give access for cleaning or maintenance purposes
B65B 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
B65B 11/22 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
49.
MACHINE AND METHOD FOR SEALING THE TAIL END OF A LOG OF WEB MATERIAL
The machine comprises: a feed path (9) of the logs (R) to be sealed; a pressing member (41), configured and arranged to apply a localized and concentrated pressure to a portion of the cylindrical surface of the log, adjacent to the tail end (LF), to fasten the tail end to an underlying turn of web material.
The pack comprises: - a geometrically ordered group (G) of one or more rolls (R); - a wrapping sheet (Fl) that laterally wraps the group of rolls and forms folded flaps on two substantially flat and opposite faces of the pack (C). A respective adhesive sheet (E) is applied to the folded flaps of at least one of the two substantially flat and opposite faces.
B65D 75/08 - Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes with the ends of the tube closed by folding
The method provides for detecting a temporary stop request by a machine of the line, for example to replace a member subject to wear or a consumable. In view of this stop, the speed of the line is modulated so as to increase, for example, the level of filling of an accumulator, and makes sure that the subsequent temporary stop has a minimum effect on the overall productivity of the line.
The machine for closing the tail end (Lf) of logs (R) of web material, comprises an advancing path (P) of the logs (R) and, along the log advancing path, a tail end unwinding, positioning and sealing station (13). The tail end unwinding, positioning and sealing station (13) comprises an aperture (21) that extends downwards from an inlet (19) under the log advancing path. At least a first Coanda effect nozzle (23) is placed at the inlet (19) of the aperture (21), to generate a flow of air (A) adapted to draw into the aperture (21) the tail end (Lf) of a log (R) that is in the tail end unwinding, positioning and sealing station (13).
The converting line for processing tissue paper comprises: - an unwinder (3, 5) for unwinding reels (B1-B4) of tissue paper; - a rewinding machine (23) for forming rolls (R) of tissue paper; - a feeding path between the unwinder and the rewinding machine, for at least one ply (V1-V4) of tissue paper; - along the feeding path, a first detection unit (31) to detect the thickness of the tissue paper fed along the feeding path in a feeding direction; - a control system (33 ), interfacing with the detection unit (31) and configured to act on at least one production parameter of the converting line based on the detected tissue paper thickness.
The saw machine (1) comprises a feeding path (PA) for the logs (L) to be cut and a cutting head (5) arranged along the feeding path (PA). The cutting head comprises a disc-shaped cutting blade (9) rotating around a rotation axis (B-B) and provided with a cyclic movement for cutting the logs (L). The cutting head 5 also comprises two grinding wheels (32, 34), which are arranged and configured to grind two sides of a cutting edge (9B) of the disc-shaped cutting blade (9), and each of which rotates around its rotation axis (C-C; D-D). The grinding wheels (32, 34) are so arranged, with respect to the disc-shaped cutting blade (9), that, in a contact area (Z32, Z34) between each grinding wheel (32; 34) and 10 the disc-shaped cutting blade (9), the grinding wheel (32; 34) has a velocity directed towards the inside of the cutting edge.
The machine includes a feeding path for the logs to be cut and a cutting head arranged along the feeding path. The cutting head includes a coupling for a disc-shaped cutting blade and is designed to impart the disc-shaped cutting blade a rotary motion around the axis thereof and a cyclic movement to cut the logs into single rolls, and to allow the logs to move forward along the feeding path. The machine also includes at least a grinding unit, including at least one grinding wheel mounted onto a rotation shaft and co-acting with a side of the disc-shaped cutting blade to grind the cutting edge of the same disc-shaped cutting blade. A controlled approach system is also provided to move the grinding wheel towards the disc-shaped cutting blade.
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
B26D 1/16 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like
B26D 5/22 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected
B24B 3/46 - Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
56.
MAGAZINE FOR EMBOSSING ROLLERS AND EMBOSSING DEVICE COMPRISING THE MAGAZINE
The magazine (245) for embossing rollers (R; 251-257) comprises a plurality of support seats (249; 249A-249E) for embossing rollers, adjacent to one another according to an alignment direction. The magazine further comprises a guide system (5) for guiding the seats (249; 249A-249E) in a handling direction (f247). The seats (249; 249A-249E) are provided with mutual connecting members (25, 27) so as to be connected to, and released from, one another.
The cutting machine for cutting logs of web material, includes a cutting head arranged along the feeding path of the logs. The cutting head includes a coupling for a disc-shaped cutting blade and is designed to impart the disc-shaped cutting blade a rotary motion around the axis thereof and a cyclic movement to cut the logs into single rolls, and to allow the logs to move forward along the feeding path. The machine also includes a store unit for disc-shaped cutting blades associated with the cutting head. A handling member is provided to remove a worn disc-shaped cutting blade from the cutting head and replace the worn disc-shaped cutting blade with a new disc-shaped cutting blade taken from the store unit.
B26D 7/26 - Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
B23Q 3/157 - Arrangements for automatic insertion or removal of tools of rotary tools
B23Q 3/155 - Arrangements for automatic insertion or removal of tools
B26D 1/157 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
B26D 5/22 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
58.
Rewinding machine and method for producing rolls of web material
The rewinding machine includes a first winding cradle, formed between a first winding roller, a second winding roller and a third winding roller, and a second winding cradle formed between the first winding roller, the second winding roller and a fourth winding roller. The first winding roller and the second winding roller define a nip through which nip the winding cores, around which the web material is found, pass and the web material is fed towards a roll being formed in the second winding cradle. A severing member is furthermore provided, acting on the web material between a winding core and the nip, to sever the web material thus generating a tail edge of a completed roll and a leading edge of a new roll to be wound.
The system comprises a fence (21) inside which machines (3, 5) are arranged that are potentially dangerous for the operators, forming part of a processing plant for processing web material and producing rolls. A passage (25) counting the number of operators entering the fence and exiting therefrom is so controlled as to be accessible only when the machines are not working and to allow a partial operation of the machines inside the fence under particular safety conditions.
F16P 3/08 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
F16P 3/12 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
The embossing-laminating device includes load bearing structure with at least two side members, a first path, for a first ply of web material, and a second path for a second ply of web material. Along the first path, a first pressure roller and a first interchangeable embossing roller are arranged, which define therebetween a first embossing nip for the first ply of web material. Along the second path a second pressure roller and a second interchangeable embossing roller are arranged, which define a second embossing nip for the second ply of web material. The embossing-laminating device also includes a magazine including a plurality of seats for a plurality of interchangeable embossing rollers, as well as at least a first manipulator for replacing embossing rollers.
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
B31F 1/28 - Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders combined with uniting the corrugated webs to flat webs
61.
Gluing device for gluing the tail of a log and related method
A gluing device including a guide roller to guide the tail of the log; on the guide roller, retaining elements to engage and retain the tail on the guide roller; a gluing member, to apply a glue to the tail retained on the guide roller. There are also provided embossing members, arranged and controlled to emboss a portion of the tail of the log. The gluing member applies the glue to embossing protrusions formed by the embossing members.
B65H 19/29 - Securing the trailing end of the wound web to the web roll
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B65H 75/28 - Arrangements for securing ends of material
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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
62.
Rewinding machine and method for the production of rolls of web material
A rewinding machine is described with a winding cradle defined by three rollers and including a fourth winding roller defining with the first winding roller a cradle in which the web material is pushed by a winding core to the beginning of each winding cycle, to cause severing of the web material without the need for controlled mechanical parts.
B65H 19/26 - Cutting-off the web running to the wound web roll
B65H 19/29 - Securing the trailing end of the wound web to the web roll
B65H 19/22 - Changing the web roll in winding mechanisms or in connection with winding operations
B65H 19/28 - Attaching the leading end of the web to the replacement web-roll core or spindle
B65H 19/30 - Lifting, transporting, or removing the web roll; Inserting core
B65H 18/20 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
63.
METHOD AND MACHINE FOR CUTTING LOGS OF WOUND WEB MATERIAL
The cutting machine (1) for cutting logs (L) of web material, comprises a cutting head (5) arranged along the feeding path of the logs (L). The cutting head (5) comprises a coupling for a disc-shaped cutting blade (9) and is designed to impart the disc-shaped cutting blade a rotary motion around the axis thereof (B- B) and a cyclic movement to cut the logs (L) into single rolls (R), and to allow the logs to move forward along the feeding path. The machine also comprises a store unit (73) for disc-shaped cutting blades (9A-9E) associated with the cutting head (5). A handling member (71) is provided to remove a worn disc-shaped cutting blade (9A-9E) from the cutting head (5) and replace the worn disc-shaped cutting blade with a new disc-shaped cutting blade (9A-9E) taken from the store unit (73).
B26D 5/22 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
B23Q 3/155 - Arrangements for automatic insertion or removal of tools
64.
MACHINE FOR CUTTING LOGS WITH GRINDING WHEELS AND METHOD
The machine comprises a feeding path for the logs to be cut (L) and a cutting head (5) arranged along the feeding path. The cutting head comprises a coupling (35) for a disc-shaped cutting blade (9) and is designed to impart the disc-shaped cutting blade a rotary motion around the axis thereof (B-B) and a cyclic movement to cut the logs (L) into single rolls (R), and to allow the logs to move forward along the feeding path. The machine also comprises at least a grinding unit (31, 33), comprising at least one grinding wheel (10) mounted onto a rotation shaft (103) and co-acting with a side of the disc-shaped cutting blade (9) to grind the cutting edge of the same disc-shaped cutting blade. A controlled approach system is also provided, to move the grinding wheel towards the disc- shaped cutting blade.
B26D 5/22 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member and work feed mechanically connected
B26D 7/12 - Means for treating work or cutting member to facilitate cutting by sharpening the cutting member
65.
REWINDING MACHINE AND METHOD FOR PRODUCING LOGS OF WEB MATERIAL
The rewinding machine comprises a first winding cradle formed be- tween a first winding roller (1), a second winding roller (3) and a third winding roller (7). The first winding roller and the second winding roller define a nip (5) through which there pass the winding cores (A) with the web material (N) being wound around them;The rewinding machine also comprises a feed path of the winding cores that pass between the first winding roller (1) and the third winding roller (7). A second winding cradle is formed between the first winding roller (1), the second winding roller (3) and a fourth winding roller (8). The rewinding ma- chine also comprises a rolling surface (19) extending around the first winding roller (1) and defining a feed channel (21) of the winding cores.
B65H 19/22 - Changing the web roll in winding mechanisms or in connection with winding operations
B65H 18/20 - Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
B65H 19/26 - Cutting-off the web running to the wound web roll
B65H 19/30 - Lifting, transporting, or removing the web roll; Inserting core
66.
REWINDING MACHINE AND METHOD FOR PRODUCING LOGS OF WEB MATERIAL
The rewinding machine comprises a first winding cradle formed be- tween a first winding roller (1), a second winding roller (3) and a third winding roller (7). The first winding roller and the second winding roller define a nip (5) through which there pass the winding cores (A) with the web material (N) being wound around them;The rewinding machine also comprises a feed path of the winding cores that pass between the first winding roller (1) and the third winding roller (7). A second winding cradle is formed between the first winding roller (1), the second winding roller (3) and a fourth winding roller (8). The rewinding ma- chine also comprises a rolling surface (19) extending around the first winding roller (1) and defining a feed channel (21) of the winding cores.
The rewinding machine includes a first winding cradle, formed between a first winding roller, a second winding roller and a third winding roller and a second winding cradle formed between the first winding roller, the second winding roller and a fourth winding roller. The first winding roller and the second winding roller define a nip through which nip the winding cores, around which the web material is found, pass and the web material is fed towards a roll being formed in the second winding cradle. A severing member is furthermore provided, acting on the web material between a winding core and the nip, to sever the web material thus generating a tail edge of a completed roll and a leading edge of a new roll to be wound.
The embossing-laminating device (1) comprises load bearing structure with at least two side members (203), a first path, for a first ply (V1) of web material, and a second path for a second ply (V2) of web material. Along the first path, a first pressure roller (211) and a first interchangeable embossing roller (207) are arranged, which define therebetween a first embossing nip (215) for the first ply (V1) of web material. Along the second path a second pressure roller (213) and a second interchangeable embossing roller (209) are arranged, which define a second embossing nip (219) for the second ply (V2) of web material. The embossing-laminating device also comprises a magazine (245) comprising a plurality of seats (249A-249E) for a plurality of interchangeable embossing rollers, as well as at least a first manipulator (241) for replacing embossing rollers.
The machine includes a first glue-applying device for closing the tail end; and a second mechanical-closing device for mechanically anchoring the tail end of the roll to a portion of an outer turn of the web material wound on the roll.
A gluing device including a guide roller to guide the tail of the log; on the guide roller, retaining elements to engage and retain the tail on the guide roller; a gluing member, to apply a glue to the tail retained on the guide roller. There are also provided embossing members, arranged and controlled to emboss a portion of the tail of the log. The gluing member applies the glue to embossing protrusions formed by the embossing members.
B65H 75/28 - Arrangements for securing ends of material
B65H 19/29 - Securing the trailing end of the wound web to the web roll
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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
71.
REWINDING MACHINE AND METHOD FOR PRODUCING ROLLS OF WEB MATERIAL
The rewinding machine comprises a first winding cradle, formed between a first winding roller (1), a second winding roller (3) and a third winding roller (7), and a second winding cradle formed between the first winding roller (1), the second winding roller (3) and a fourth winding roller (8). The first winding roller (1) and the second winding roller (3) define a nip (5) through which nip the winding cores, around which the web material is found, pass and the web material is fed towards a roll being formed in the second winding cradle. A severing member (24) is furthermore provided, acting on the web material (N) between a winding core (A) and the nip (5), to sever the web material thus generating a tail edge (Lf) of a completed roll and a leading edge (Li) of a new roll to be wound.
The rewinding machine comprises a first winding cradle, formed between a first winding roller (1), a second winding roller (3) and a third winding roller (7), and a second winding cradle formed between the first winding roller (1), the second winding roller (3) and a fourth winding roller (8). The first winding roller (1) and the second winding roller (3) define a nip (5) through which nip the winding cores, around which the web material is found, pass and the web material is fed towards a roll being formed in the second winding cradle. A severing member (24) is furthermore provided, acting on the web material (N) between a winding core (A) and the nip (5), to sever the web material thus generating a tail edge (Lf) of a completed roll and a leading edge (Li) of a new roll to be wound.
The accumulator includes at least one pair of chains substantially parallel to each other to which cradles are connected for receiving products to be stored, the cradles being mutually spaced along the pair of chains. Each cradle is connected to the pair of chains through constraining members. On each chain at least one intermediate constraining member is arranged between two adjacent cradles connected to the chains.
B65G 17/12 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
B65G 17/42 - Attaching load-carriers to traction elements
B65G 47/51 - Devices for discharging articles or materials from conveyors with distribution, e.g. automatically, to desired points according to unprogrammed signals, e.g. influenced by supply situation at destination
B65H 19/30 - Lifting, transporting, or removing the web roll; Inserting core
74.
PACKAGING MACHINE FOR PACKAGING ROLLS WOUND AROUND WINDING CORES
The packaging machine comprising an insertion station for inserting rolls in wrapping sheets, a feed path (P) of the rolls (R); a conveyor (15, 17) to feed the rolls along the feed path. Along the feed path there is provided a folding station, to fold the wrapping sheets (I) and wrap the rolls in the wrapping sheets. The folding station comprises, on each side of the feed path(P), at least one punch (92) provided with a movement of insertion and extraction with respect to the hole of the tubular winding core of the rolls to be packaged. The punch (92) comprises a shaft (94) rotating about a rotation axis, which supports an end pin (112), idle and rotatable about an axis substantially parallel and eccentric with respect to the rotation axis of the rotating shaft.
B65B 11/12 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in a single straight path to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 49/14 - Folders forming part of, or attached to, conveyors for partially-wrapped articles
B65B 11/18 - Wrapping articles, or quantities of material, by conveying wrapper and contents in defined paths in two or more straight paths
The machine (1) comprises a packaging station (6) and a feeding line (3) configured and controlled for feeding ordered groups of products (R) to the packaging station. The feeding line (3) is movable with respect to the packaging station (6) to form an access space (O) between the packaging station and the feeding line.
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 9/067 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web advancing continuously
B65B 35/44 - Arranging and feeding articles in groups by endless belts or chains
B65B 35/52 - Stacking one article, or group of articles, upon another before packaging building-up the stack from the bottom
B65B 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
B65B 61/04 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
76.
MACHINE FOR PACKAGING PRODUCTS ARRANGED IN ORDERED GROUPS
The machine (1) comprises a packaging station (6) and a feeding line (3) configured and controlled for feeding ordered groups of products (R) to the packaging station. The feeding line (3) is movable with respect to the packaging station (6) to form an access space (O) between the packaging station and the feeding line.
B65B 25/14 - Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
B65B 35/44 - Arranging and feeding articles in groups by endless belts or chains
B65B 35/52 - Stacking one article, or group of articles, upon another before packaging building-up the stack from the bottom
B65B 59/04 - Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance
B65B 61/04 - Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
B65B 9/067 - Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web advancing continuously
77.
Rewinding machine and method for producing logs of web material
The machine includes a first winding roller and a concave plate extending around the first winding roller. The first winding roller and the concave plate define a feed channel of the web material. Upstream of the concave plate there is arranged a moving member including a pinching surface cooperating with the first winding roller to pinch the web material against the first winding roller. The moving member is arranged and controlled to pinch the web material against the surface of the first winding roller and decelerate the web material between the moving member and the surface of the first winding roller, causing a leading edge to wind around itself to form a winding nucleus of a log.
A severing machine for cutting rolls or other elongated products, comprising a device for holding the elongated products during cut. The device for holding the elongated products during cut comprises at least one series of first adjustable abutments (31 A) and one series of second adjustable abutments (3 IB). The first adjustable abutments and the second adjustable abutments are arranged on opposite sides of a feeding path for the elongated products (L). The first adjustable abutments are arranged over one another and each of them can be adjusted independently of the others to adapt to the shape and/or dimension of the product. Furthermore, the first adjustable abutments can be blocked with respect to one another in a working position. Analogously, the second adjustable abutments (3 IB) are arranged over one another, each of them can be adjusted independently of the others, and the second abutments can be blocked with respect to one another in a working position.
The machine comprises: a first glue-applying device (97) for closing the tail end; and a second mechanical-closing device (91) for mechanically anchoring the tail end of the roll (R) to a portion of an outer turn of the web material wound on the roll.
The device for joining at least two plies of paper, in particular tissue paper, including a ply-bonding unit and moistening means to moisten at least one of the two plies before joining.
The device includes at least a first gripping member and a second gripping member, arranged and controlled so that they extract two winding spindle portions from opposite ends of a log in a longitudinal extraction direction parallel to the axis of the log. The first gripping member and a second gripping member are movable along a log advancing path and extract the two winding spindle portions as they advance along the log advancing path together with the log and the two winding spindle portions.
The rewinding machine includes a path for feeding a web material; a first winding roller and a second winding roller defining a nip, across which the web material passes; downstream of the nip a third winding roller with movable axis, cooperating with the first winding roller and the second winding roller to form a winding cradle for the rolls. An auxiliary winding roller with movable axis is also provided, which can be inserted between the first winding roller and the second winding roller downstream of the nip.
A rewinding machine is described with a winding cradle defined by three rollers and including a fourth winding roller, defining with the first winding roller a cradle in which the web material is pushed by a winding core to the beginning of each winding cycle, to cause severing of the web material without the need for controlled mechanical parts.
The gluing device comprises: a guide roller (43) to guide the tail (LF) of the log (R); on said guide roller, retaining elements (53; 55) to engage and retain the tail (Lf) on the guide roller (43); a gluing member (57), to apply a glue (C) to the tail (Lf) retained on said guide roller (43). There are also provided embossing members (45, 59), arranged and controlled to emboss a portion of the tail (Lf) of the log (R). The gluing member (57) applies the glue to embossing protrusions (S) formed by said embossing members (45, 49).
The unwinder comprises: a first unwinding position (P2), in which a first reel (Bl) is positioned; a second unwinding position (P3), to which the first reel is transferred when it must be replaced with a second reel (B2); a stand-by position (PI), in which the second reel (B2) is kept in stand by; a first unwinding member (13) arranged and controlled to start rotation of the second reel (Bl) when the first reel (B2) must be replaced with the second reel (B2). Moreover, the unwinder comprises a second unwinding member (31), with at least one endless flexible element (33). The endless flexible element extends from the first unwinding position (P2) to the second unwinding position (P2), and is arranged and controlled in such a manner that the first reel is maintained in contact with said second unwinding member and in rotation by means of the second unwinding member (31) in the first unwinding position (P2), in the second unwinding position (P3) and while it is being transferred from the first unwinding position (P2) to the second unwinding position (P3).
The unwinder comprises: a first unwinding position (P2), in which a first reel (Bl) is positioned; a second unwinding position (P3), to which the first reel is transferred when it must be replaced with a second reel (B2); a stand-by position (PI), in which the second reel (B2) is kept in stand by; a first unwinding member (13) arranged and controlled to start rotation of the second reel (Bl) when the first reel (B2) must be replaced with the second reel (B2). Moreover, the unwinder comprises a second unwinding member (31), with at least one endless flexible element (33). The endless flexible element extends from the first unwinding position (P2) to the second unwinding position (P2), and is arranged and controlled in such a manner that the first reel is maintained in contact with said second unwinding member and in rotation by means of the second unwinding member (31) in the first unwinding position (P2), in the second unwinding position (P3) and while it is being transferred from the first unwinding position (P2) to the second unwinding position (P3).
The rewinding machine includes a first winding roller, around which the web material is guided, and defining at least in part a winding cradle; a support surface of the winding cores arranged to receive a winding core and to convey the core toward the winding cradle, the support surface defining with the first winding roller a feed channel of winding cores, a severing member of the web material, which can be inserted in the channel to sever the web material, the severing member interacting with the web material to cause severing thereof; a motor for controlling the severing member, the motor controlling the severing member modifying the speed of the severing member when it is positioned inside the channel.
B65H 35/08 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
B65H 19/26 - Cutting-off the web running to the wound web roll
B65H 19/22 - Changing the web roll in winding mechanisms or in connection with winding operations
88.
DEVICE AND METHOD FOR REMOVING TRIMS FROM A SERIES OF PRODUCTS SUCH AS ROLLS OR THE LIKE
The device comprises: a product advancement path (R); a first conveyor (1) for advancing the products (R) and said trims (RC, RT); downstream of the first conveyor (1), a second conveyor (7) for receiving the products (R); a discharge zone (9) for the trims (RT, RC) between the first conveyor (1) and the second conveyor (7); at least one continuous flexible member (17A, 17B) with gripping elements that can be activated to transfer the products (R) from the first conveyor (1) to the second conveyor (7). The gripping elements comprise deformable sheets (21 A, 21 B) carried by said at least one continuous flexible member (17A, 17B), arranged to grip said products (R) and transfer them from the first conveyor (1) to the second conveyor (7). At least between the first conveyor (1) and the second conveyor (7) and lateral to said advancement path, contrasting surfaces (41 A, 41B) are provided, which cause the deformation of said deformable sheets (21 A, 21B) against the products (R) so as to grip the products with the deformable sheets (21A, 21B) between the first conveyor (1) and the second conveyor (7). Furthermore, at least one portion (18) of the longitudinal length of the continuous flexible member (17A, 17B) is devoid of said deformable sheets (21 A, 21B).
B26D 7/18 - Means for removing cut-out material or waste
B65G 17/06 - Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
89.
REWINDING MACHINE AND METHOD FOR PRODUCING LOGS OF WEB MATERIAL
The machine comprises a first winding roller (3) and a concave plate (17) extending around the first winding roller (3). The first winding roller and the concave plate define a feed channel (19) of the web material (N). Upstream of the concave plate (17) there is arranged a moving member (21) comprising a pinching surface (23B) cooperating with the first winding roller (3) to pinch the web material (N) against the first winding roller (3). The moving member (21) is arranged and controlled to pinch the web material (N) against the surface of the first winding roller (3) and decelerate the web material between the moving member (21) and the surface of the first winding roller (3), causing a leading edge (LT) to wind around itself to form a winding nucleus of a log (L; L1).
The machine comprises a first winding roller (3) and a concave plate (17) extending around the first winding roller (3). The first winding roller and the concave plate define a feed channel (19) of the web material (N). Upstream of the concave plate (17) there is arranged a moving member (21) comprising a pinching surface (23B) cooperating with the first winding roller (3) to pinch the web material (N) against the first winding roller (3). The moving member (21) is arranged and controlled to pinch the web material (N) against the surface of the first winding roller (3) and decelerate the web material between the moving member (21) and the surface of the first winding roller (3), causing a leading edge (LT) to wind around itself to form a winding nucleus of a log (L; L1).
The device comprises at least a first gripping member (77) and a second gripping member (79), arranged and controlled so that they extract two winding spindle portions (Ml, M2) from opposite ends of a log in a longitudinal extraction direction parallel to the axis of the log (R). The first gripping member (77) and second gripping member (79) are movable along a log advancing path (25) and extract the two winding spindle portions (Ml, M2) as they advance along the log advancing path together with the log (R) and the two winding spindle portions.
The accumulator comprises at least one pair of chains (7 A, 7B) substantially parallel to each other to which cradles (21) are connected for receiving products (R) to be stored, the cradles being mutually spaced along said pair of chains. Each cradle (21) is connected to the pair of chains through constraining members (51). On each chain at least one intermediate constraining member (51) is arranged between two adjacent cradles (21) connected to said chains (7 A, 7B).
B65G 17/42 - Attaching load-carriers to traction elements
B65G 47/51 - Devices for discharging articles or materials from conveyors with distribution, e.g. automatically, to desired points according to unprogrammed signals, e.g. influenced by supply situation at destination
93.
MACHINE FOR THE PRODUCTION OF TUBES AND RELATED METHOD
The machine comprises: a forming unit (8) with a spindle (7M) around which one or more strips of web material (NA, NB) are wound; an adhesive applicator (5) to apply an adhesive on at least one surface of at least one strip of web material (NB); a feed path (9B) of said at least one strip of web material (NB) from said adhesive applicator (5) to said forming unit (8). The length of said feed path can be modified according to at least one operating parameter.
A method is described for obtaining a coreless roll of web material with a first portion of web material forming an inner nucleus of the roll and a second portion of web material wound around the outside of the inner nucleus. The two portions can be separated from one another and, for that purpose, an interface or discontinuity is created in at least one turn of the web material forming the roll between the inner nucleus and the second portion of web material. This facilitates the extraction of the inner nucleus from the outer portion of the roll.
The rewinding machine comprises: a path for feeding the web material (N); a first winding roller (11) and a second winding roller (13) defining a nip (15), across which the web material passes; downstream of said nip (15) a third winding roller (23) with movable axis, cooperating with the first winding roller (11) and the second winding roller (13) to form a winding cradle (22) for the rolls. An auxiliary winding roller (48) with movable axis is also provided, which can be inserted between the first winding roller (1 1) and the second winding roller (13) downstream of the nip (15).
A rewinding machine (2) is described with a winding cradle defined by three rollers (1, 3, 7) and comprising a fourth winding roller 21, defining with the first winding roller (1) a cradle in which the web material (N) is pushed by a winding core (A2) to the beginning of each winding cycle, to cause severing of the web material without the need for controlled mechanical parts.
A rewinding machine (2) is described with a winding cradle defined by three rollers (1, 3, 7) and comprising a fourth winding roller 21, defining with the first winding roller (1) a cradle in which the web material (N) is pushed by a winding core (A2) to the beginning of each winding cycle, to cause severing of the web material without the need for controlled mechanical parts.
The ply-bonding unit comprises a plurality of ply-bonding wheels (7) aligned with each other, cooperating with a counter-roller (9). The ply-bonding wheels and the counter-roller define a ply-bonding nip (2) wherethrough at least two plies of cellulosic fibers pass. Each ply-bonding wheel is pressed by pressing members (13) against the counter-roller. Each ply-bonding wheel comprises two continuous projections (31), each of which has a wavy shape and along its annular development about the axis of the ply-bonding wheel has a variable distance from an intermediate plane of the ply-bonding wheel orthogonal to the axis (A- A) of rotation of the ply-bonding wheel.
An embossing unit comprising: at least one embossing roller (3, 5), provided with embossing protrusions or recesses (3P; 5P) on a cylindrical surface;- at least one pressure roller (7; 9) coated with an elastically yielding material (7E; 9E) and cooperating with the embossing roller (3; 5); at least one actuator (15; 17) that presses the pressure roller and the embossing roller against each other; an automatic position adjustment system (37, 39), to adjust the reciprocal position of the pressure roller (7; 9) and the emboss¬ ing roller (3; 5).
To close the tail end (L) of the web material forming the log (R) there is provided mechanical ply-bonding between the tail end and a portion of the last turn of web material, preferably a portion forming a fold (F) projecting from the log.
B65H 26/00 - Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
G05G 15/00 - Mechanical devices for initiating a movement automatically due to a specific cause
B65C 9/04 - Devices for moving articles, e.g. containers, past labelling station having means for rotating the articles
B29C 63/10 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically around tubular articles
B65C 3/12 - Affixing labels to short rigid containers to container bodies the container being positioned for labelling with its centre-line horizontal by rolling the labels onto cylindrical containers, e.g. bottles
B65C 3/16 - Affixing labels to short rigid containers to container bodies the container being positioned for labelling with its centre-line vertical by rolling the labels onto cylindrical containers, e.g. bottles
B29C 70/34 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression
