Abstract: The invention relates to a device for changing a reel and for connecting a new material web to the end of an old material web, with a first reel (101) from which the first material web thereof which is wound thereon can be unwound, a transport device (103), particularly a transport roller, by means of which the first material web can be guided in a guiding region at a transport speed, a second reel (121) with which the new material web can be prepared, a drive device for rotatably driving the second reel, a separating device (142) for cutting through the first material web, by means of which the material web can be cut through in the guiding region or upstream of the guiding region in order to produce a trailing end, and a control and/or regulating device for the mutual adjustment of the trailing end and the beginning (125) of the second material web, such that the trailing end and the beginning of the web are at a distance of more than 0 mm from each other and particularly do not overlap.

Abstract: The invention relates to a device for changing a reel and for connecting a new material web to the end of an old material web, with a first reel (101) from which the first material web thereof which is wound thereon can be unwound, a transport device (103), particularly a transport roller, by means of which the first material web can be guided in a guiding region at a transport speed, a second reel (121) with which the new material web can be prepared, a drive device for rotatably driving the second reel, a separating device (142) for cutting through the first material web, by means of which the material web can be cut through in the guiding region or upstream of the guiding region in order to produce a trailing end, and a control and/or regulating device for the mutual adjustment of the trailing end and the beginning (125) of the second material web, such that the trailing end and the beginning of the web are at a distance of more than 0 mm from each other and particularly do not overlap.

Abstract: The invention describes a cutting and transport device for material sheets (1) of paper or film, which comprise at least one cutting device (7), which cuts the material sheet traversing in the cutting or the transport device. Inventive step lies in that the cutting and transport device (22) is provided with a sheet reinforcement device (10), which reinforces the material sheet with the reinforcement material (13) at the positions which are later cut by the cutting tool (7).

Abstract: A withdrawal device for blow-molded film has an air turning bar with an air cushioned surface for transporting the film, and the bar surface includes at least in part a sintered material. The sintered material portion of the bar surface provides a region of increased friction for compressed air flow, thus more effectively guiding the withdrawn film in a flat and even form.

Abstract: A turning station (1) for changing the mutual orientation of the function layers of film sheets (2, 3) is shown, which (2, 3) are transported along their longitudinal directions (z) and which (2a, b) extend in a direction (x) along their direction of transport (z) and in a direction orthogonal to it, whereby the function layers of the film sheets (2, 3) follow successively in sequence in the third spatial direction (y). In contrast to the prior art, the devices (5, 6, 7, 8) for guiding the first film sheet (2) are provided, which (5, 6, 7, 8) guide the first film sheet (2) to the other side of the plane, which is formed by the directions of extension (x) and (z) of a second film sheet (3).

Abstract: The present invention relates to a withdrawal device for films manufactured in the blow-molding process. A withdrawal device of such type has air turning bars and deflecting rollers that as a rule reverse against one another and usually rotate around a common axis. The withdrawal device proposed by this patent application is characterized by the fact that the surface area of at least one of the air turning bars comprises at least in part of a sintered material.

Abstract: A take-off apparatus for plastic blown sheet that is collapsed has a deflecting roller rotatably mounted for transporting the blown sheet and an air turning bar for receiving the blown sheet from the deflecting bar along a transport plane defined therebetween. The blown sheet passes around a peripheral portion of the air turning bar thereby defining a support arc region of the at least one air turning bar about which the blown sheet is supported. The air turning bar has air outlet openings disposed in the support arc region through which compressed air is ejected to support the blown sheet. The air turning bar has an arc-shaped axis defining a plane of curvature which is oriented such that the peripheral portion presents a concave surface in which the air outlet openings are disposed and which opposes the blown sheet.