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WO/1997/006086A1 |
An apparatus for laterally stretching a web such as a split web of a longitudinally uniaxially stretched film comprises means disposed in a transport path of the web for laterally stretching the web. The widening means comprises a curved...
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WO/1997/003837A1 |
A device for printing unmarked continuous sheeting (1) with images of a first predetermined length (D) has a printer (2) which prints continuously and has an input (2a) which initiates a positionally exact printing process. After printin...
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WO/1997/003009A1 |
The invention concerns a device for separating the gaseous laminar boundary layer (14) from at least one of the two sides (10, 12) of a material web (5), for example of paper, moving, preferably rapidly, in the conveying direction (6). T...
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WO/1997/002952A2 |
A process for adjusting a web tension in a web-fed printing machine must address the problems of processing variables which are not precisely quantifiable and minimising the influence of an operator. This is achieved with the present inv...
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WO/1997/002103A1 |
A device is proposed for braking an electrically conducting strip (B), said device being mounted in front of a processing station where the strip (B) under tension undergoes further processing and is provided with a magnetic field genera...
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WO/1997/000825A2 |
In a system for transporting film materials, rotation of the transported film caused by uneven stress across a width of the film is eliminated by providing a pinch roll drive in which the driven roll is a precision metal roll and the non...
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WO/1997/000826A1 |
The invention relates to a bearing arrangement and a coupling element of a spreading roll. The spreading roll comprises roll segments (3) that are interconnected by coupling elements (14) to rotate around a shaft (2). Some of the roll se...
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WO/1997/000222A1 |
The invention relates to a separating device for winding devices for material webs, particularly of paper or the like, which are longitudinally divided into several partial webs, with at least two rolls (1, 2) being essentially parallel ...
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WO/1996/040491A1 |
A cushioning conversion machine (110) and method employing a loading assembly (190) that eliminates the need to manually thread sheet-like stock material through a forming assembly (126) of the machine during a loading operation. The loa...
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WO/1996/040580A1 |
A device is disclosed for separating strips, in particular paper or cardboard strips obtained after a web (1) is slitted. The device has two curved separating cylinders (9, 9'), i.e. one top upstream cylinder (9) and one bottom downstrea...
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WO/1996/039554A1 |
The tenter unit (100) for textile fabric webs comprises a first porcupine disk unit (20) with two porcupine disks (26, 28) arranged along a first axis (27) with a distance between them corresponding to the width of the fabric web (4) and...
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WO/1996/038370A1 |
A process for the on-line monitoring of web edges by means of line cameras to detect and direct the lateral position of web edges and/or marking lines in the processing of travelling material webs in which CCD elements referred to as pix...
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WO/1996/038363A1 |
A web winding apparatus (90) and a method of operating the apparatus are disclosed. The apparatus can include a turret assembly (200), a core loading apparatus (1000), and a core stripping apparatus (2000). The turret assembly (200) supp...
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WO/1996/038365A1 |
A web winding apparatus (90) and a method of operating the apparatus are disclosed. The apparatus can include a turret assembly (200), a core loading apparatus (1000), and a core stripping apparatus (2000). The turret assembly (200) supp...
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WO/1996/037358A1 |
A magnetic device for actuating a clip lever comprises a coupling track preferably in the form of a pole shoe track (21) by which the end of a clip lever (3) can pivot precisely from its closure position to its open position and back usi...
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WO/1996/037427A2 |
A mechanism for supporting at least two rolls for an indefinite length web process. The mechanism includes a shaft having a first end and a second end. A first spindle including a mounting portion and a shank portion is rotatably mounted...
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WO/1996/036487A1 |
A machine and method for converting a web having an indefinite length which includes a plurality of converting stations (34, A, B, C) circumferentially spaced about a process drum (22). At least one of the converting stations (34) includ...
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WO/1996/033937A1 |
The invention concerns a device for radially deflecting consignments in transport plants, wherein consignments are conveyed, in linear sections, clamped between an upper belt and a lower belt, the upper belt (O) urging the inner side of ...
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WO/1996/033120A1 |
A device is described for unwinding a reel of web material in order to feed said material to a processing section, comprising a support (1) for the reel (B), an unwinding member and an actuator (21) which applies a pressure on the reel, ...
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WO/1996/033121A1 |
In the production of printed matter, e.g. publicity material and the like, processing steps like stamping, perforating, adhesive application, transverse cutting and the like are performed at individual stations (12, 18) on a continuous-f...
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WO/1996/030812A1 |
The invention concerns an electrographic printing device designed for printing both sides of a web-shaped recording carrier (1). The electrographic printing device comprises a control device for the positionally accurate synchronization ...
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WO/1996/029190A1 |
An improved transport device for a continuous moving sheet, in particular a stretching device for plastic film sheets which is especially suitable for high transport speeds, is characterised by the fact that a guide track system (3) comp...
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WO/1996/028301A1 |
An apparatus thermally laminates at least two materials together while minimizing wrinkles, ripples, curl, and color density loss in the laminate applying heat and pressure to the materials, by turning the laminate in a first direction a...
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WO/1996/028959A1 |
A method and apparatus for applying a uniform electrostatic force to a web (3) moving between a pair of electrodes (10, 11) to create an electron wind that urges the web (3) toward one of the electrodes (10, 11) controls the current form...
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WO/1996/028708A1 |
A system for locating the edges (RE, LE) of a moving strip (10) of material having two edges. In one embodiment, a pair of ultrasonic transducers (13, 14) are positioned above the path of the moving strip and orientated at acute angles (...
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WO/1996/026417A1 |
A process and device are disclosed for measuring the position of an edge of a web or sheet by photoelectric measurement means. The object of the invention is to allow the position of the edge to be determined with sufficient accuracy eve...
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WO/1996/026145A1 |
A curl-suppressing device for a paper web in a paper processing machine has a stationary deflecting bar (1) that extends transversely to the direction of travel (A) of the paper, a deflecting roller (4) parallel to the deflecting bar (1)...
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WO/1996/026144A1 |
An improved braking system for a rotatable roll support hub for a roll product of web material is described that is capable of providing a smoother and progressive braking action which uses a less powerful compression spring. This can be...
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WO/1996/026147A1 |
In a jam monitoring device for a paper transporting device, the paper is transported between a driving roller (1) and a freely rotating pressure roller (3) whose axis is parallel to the axis of the driving roller (1). A stationary sensor...
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WO/1996/026146A1 |
A control device (3) for monitoring the travel of two superimposed paper webs (1, 2) in a paper processing machine has a thin stationary plate (4) arranged at the edge of the paper webs (1, 2) that extends between both paper webs in the ...
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WO/1996/023468A1 |
This invention pertains to handling a continuous web (28) in a continuous processing operation wherein the web (28) incorporates therein one or more stretched elastic-type elements having retractive forces active in the cross-machine dir...
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WO/1996/017233A1 |
The present invention relates to a method and a device for two-shaft force measurement and its application to the determination of tensile force in a continuous web. The device comprises a force-introducing part (4) with two force-measur...
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WO/1996/015968A1 |
The present invention relates to an arrangement for delivering a web of material (1) from a storage reel to a process line (16). According to the invention, a unit which functions to control web tension is distanced from the storage reel...
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WO/1996/014261A1 |
A system and method for utilizing web that is free of tractor pin feed holes comprises the driving of the web (60) along a predetermined path within the utilization device (64). A web guide (92) is provided in an upstream location from a...
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WO/1996/011871A1 |
The invention relates to a method and apparatus for guiding a thin web material (1) while folding the web material (1) over a triangular former (4). The apparatus includes two guide rolls (2, 3) over which the web material (1) is driven....
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WO/1996/011159A1 |
A reversing device for strip print media (10) in an electrographic printer for simplex and duplex operation contains two acute-angled deflectors in the form of two reversing triangles (33, 35) with a straight deflector (34, 36) and an ob...
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WO/1996/011425A1 |
An electro-photographic printer for printing the front and back of a strip substrate (10) has a feed device in a return channel to take the substrate (10) after the front has been printed from the fixing station to a reversing station in...
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WO/1996/011424A1 |
An electro-photographic device for printing the front and back of a strip substrate (10) has a feed device in a return channel to take the substrate (10) after the front has been printed from the fixing station to a reversing station in ...
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WO/1996/011158A1 |
There are provided a method and an apparatus for determining at least one sheet stretch value of a roll of material (2). The method comprises the steps of (a) radially marking one side end of the roll (2) from periphery thereof to produc...
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WO/1996/011427A1 |
A reversing device for strip print media (10) in an electrographic printer for simplex and duplex operation contains two deflectors in the form of a reversing triangle which is stationary (33) on the intake side and pivotable (35) on the...
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WO/1996/003337A1 |
A pair of freely rotatable rolls (22, 22') bears against the opposite edges of a moving web (10). Each roll (22, 22') is mounted with its axis (23, 23') generally coaxial with that of the other roll, parallel to the adjacent rollers (12,...
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WO/1996/002872A1 |
An electro-photographic printing system is proposed for printing on both sides of a tape-type narrow printing medium (10) and for printing on one side of a wide printing medium or of several parallel narrow printing mediums (10/1, 10/2, ...
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WO/1995/035253A1 |
Apparatus, system and method for transferring sheet material of a finite length between two processing stages (4, 5) that operate independently and at varying processing rates is disclosed. Apparatus, system and method disclose a transfe...
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WO/1995/035211A1 |
An apparatus (10) in which material to have elastic (24) applied thereto is carried by a first conveyor (46) in one direction along a flow path (20). An elastic conveyor extending transversely of the material flow path (20) is operable t...
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WO/1995/033618A1 |
In accordance with the present invention there is provided an apparatus for conveying a web. The apparatus is able to continuously stretch the web or continuously release the stretching forces from a web in the cross-machine direction. T...
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WO/1995/030795A1 |
The proposed paper coating device comprises a device for applying a liquid coating medium to a moving paper sheet, and a drying device with at least one sheet deflector device which guides the sheet with the aid of an air cushion and wit...
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WO/1995/028345A1 |
A device is disclosed for combining and processing at least two paper or film webs. It comprises pay-out units (1a, 1b, 1c) in each of which a paper web (3a, 3b, 3c) with regularly spaced markings is drawn off from a roll (2a, 2b, 2c) by...
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WO/1995/026700A1 |
Apparatus and method for applying tensioned elastic (24) to material including a first conveyor (30) for carrying material (12) in one direction along a flow path (20), a second conveyor (70) operable to draw elastic (24) from a storage ...
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WO/1995/024308A1 |
A process and apparatus for providing microperforations (81) in a zippered film useful for manufacturing reclosable zippered produce bags including a) providing a web (80) of thermoplastic film with zipper profile members on at least one...
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WO/1995/023755A2 |
In a device for the suspended guidance of sheets or webs, the purpose is to guide the sheets or webs contactlessly, without flutter and stretched towards the free edges through a processing machine, especially a rotary press. According t...
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