The invention relates to a release liner removal apparatus, comprising at least one release liner removal device for removing at least one release liner from at least one adhesive piece arranged on a material web, at least one support body which supports the at least one release liner removal device, and at least one guide body which is arranged adjacent to the at least one release liner removal device at least during the removal of the at least one release liner and which serves for guiding the material web.

The invention relates to a material web drawing-in apparatus for drawing in a material web. The material web drawing-in apparatus comprises at least one material web holding device for holding the material web to be drawn in, and at least one guide for guiding the at least one material web holding device from a material web drawing-in point to a material web transfer point, and also at least one drawing-in drive which is in connection with the at least one material web holding device and which serves for displacing the at least one material web holding device along the at least one guide upon drawing in the material web to be drawn in in the direction of the material web transfer point.

The invention relates to a plant having at least one material roll preparation arrangement for bringing a material roll carrying a material web to be drawn in into a defined initial situation, and having at least one material web working/processing arrangement, in particular material web dispensing arrangement, in particular material web unrolling arrangement, in particular material web splicing arrangement, which material web working/processing arrangement is capable, owing to the defined initial situation of the material roll, of receiving the material roll in automated fashion and preferably receiving the material web in automated fashion and/or preparing the material web in automated fashion.

A joining unit includes: a suction holding member having a suction surface configured to suction an end section of a sheet; a moving mechanism configured to move the suction surface toward an intermediate section of a sheet of a delivery-side original material roll along a path set in advance so that tension is applied to the sheet; and a regulating mechanism that is configured to switch between a regulated state in which a movement of the end section of the sheet with respect to the suction holding member due to the tension is regulated and an allowable state in which the movement of the end section of the sheet with respect to the suction holding member is allowed. The controller switches the regulating mechanism to the regulated state during the movement of the suction surface toward the intermediate section of the sheet of the delivery-side original material roll.

A splice mechanism (100) for a packaging assembly (10), the packaging assembly (10) including: a former shoulder (12); a controller (14); a film drive (16) controlled by the controller (14) for feeding a film (112) at a film speed to the former shoulder (12) to form a tubular film (22) moving in a film direction (20); a sealing device (24) to seal the tubular film (22) in a first sealing direction (26), the first sealing direction (26) being parallel to the film direction (20); a set of jaws (28) controlled by the controller (14) and movable at a jaw speed to engage and seal the tubular film (22) in a second sealing direction (30) to form a first seal (32) and a second seal (34) in each bag, thereby forming a closed bag (36), the splice mechanism (100) including: an active film roll (110) from which film (112) is drawn to be fed to the former shoulder (12) by the film drive (16); a second film roll (120) having film (122) for feeding to the former shoulder (12); a film roll holder (130) holding the active film roll (110) and the second film roll (120) such that film (112) from the active film roll (110) extends along a film path (140) to the former shoulder (12) and the second film roll (120) is accessible; a splice roller (150) against which film (122) from the second film roll (120) is placed, the film (122) having a film end (124), the film end (124) having an adhesive (126), the splice roller (150) being movable between a free position, wherein the film path (140) is unimpeded by the splice roller (150), and a splice position, wherein the film path (140) is tangential to the splice roller (150) at a splice point (142) on the film path (140).

Subject matter of the invention is an adhesive tape (K) for on-the-fly roll changeover of flat web material (RB) wound up into rolls (R; B), having a carrier layer (K3), which comprises a first surface (K31) and a second surface (K32) opposite the first surface (K31), a first layer of adhesive (K1), which is disposed indirectly or directly over at least part of the area on the first surface (K31) of the carrier layer (K3), a second layer of adhesive (K2), which is disposed on at least one areal region (FB) of the second surface (K32) of the carrier layer (K3), and at least one predetermined breakage area for the areal splitting of the adhesive tape (K), where the predetermined breakage area is configured such that the at least one areal region (FB) comprises a surface coating (K4), which is disposed between the carrier layer (K3) and the second layer of adhesive (K2), where the forces of adhesion of the second layer of adhesive (K2) to the surface coating (K4) are greater than the forces of adhesion of the surface coating (K4) to the carrier layer (K3), and/or where the forces of adhesion of the second layer of adhesive (K2) to the surface coating (K4) are greater than the forces of cohesion within the surface coating (K4), wherein the second layer of adhesive (K2) has a deactivated bonding region (K6) on a surface (K21) pointing in the carrier layer (K3) direction.

A sheet delivery system includes: a joining unit configured to join, to an intermediate section of a sheet being delivered from a delivery-side original material roll, an end section of a sheet of a standby-side original material roll; and an operation robot configured to retrieve the end section of the sheet from the standby-side original material roll and convey the end section of the sheet to the joining unit. The sheet delivery system is configured to set, in advance, a sheet retrieval position at which the sheet is retrieved from each of the original material rolls, for each of the original material rolls. The operation robot is configured to convey the end section of the sheet from each of the sheet retrieval positions to the joining unit.

An automatic replacement apparatus for a feed material includes a discharge unit discharging a feed material to the outside, a pair of feed units disposed to be adjacent to the discharge unit and having a feed roll around which the feed material is wound, and a pair of material joint units respectively provided in the pair of feed units connecting a front end of a first feed material waiting in a first feed unit, one of the pair of feed units, and an end of a second feed material being transferred from a second feed unit, the other of the pair of feed units, to the discharge unit in a butt joint manner.

A separator supply device is provided. The separator supply device includes a frame, a separator supply portion mounted on the frame, and including a first reel mounting portion configured to accommodate a first reel configured to be wound with a first separator, and a second reel mounting portion configured to accommodate a second reel, spaced apart from the first reel, and configured to be wound with a second separator, and a separator connection portion configured to adsorb an end of the first separator unwound from the first reel and an end of the second separator unwound from the second reel and to connect the first separator to the second separator.

The invention relates to a method for automatically splicing a first article, unwound from a first reel, to a second article wound around a second reel, the articles being flexible and in the form of webs or strips. According to the invention, the method comprises steps consisting in: positioning an adhesive tape on an end that is to be spliced belonging to the second article; automatically moving a portion of the first article to a cutting plane situated facing the end that is to be spliced belonging to the second article; holding the portion of the first article downstream of the cutting plane with respect to the first reel; cutting the first article transversely; automatically moving the end that is to be spliced belonging to the second article as far as the cutting plane; and pressing a cut end of the first article at the cutting plane against the end that is to be spliced belonging to the second article in order to stick them together using the adhesive tape.