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Process and device for processing a film web

A film and conveyor technology, used in transportation and packaging, thin material handling, strip winding, etc., can solve problems such as the entire process that cannot ensure faster and more reliable start-up operations, and improve safety and productivity. , the effect of reducing the burden

Inactive Publication Date: 2007-03-14
BRUECKNER MASCHB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] A faster and more reliable overall process for start-up operations in film stretching plants cannot be ensured by the above-mentioned documents and the known prior art

Method used

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  • Process and device for processing a film web
  • Process and device for processing a film web
  • Process and device for processing a film web

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0076] FIG. 1 shows a side view of the outlet of a film stretch forming plant, the discharge column including the various processing and inspection stations and the winder according to an embodiment of the invention. Film run 4 is shown as a zigzagging dotted line.

[0077] The film 4 coming from the stretch forming apparatus 1 is guided through each discharge support 2 comprising a plurality of rolls 2a and each roll support 2b. After the film 4 has passed the discharge legs 2 , it is supplied to a winding device 3 , in which the film 4 is wound onto a so-called scrap winding roller 8 after being coated with adhesive.

[0078] The winding on the scrap roll is carried out until the film is positioned along the entire working width and meets the desired quality requirements.

[0079] Then, after cutting with the transverse cutter 7, it is wound up on the winding roller 9 (reverse winding process).

[0080] For the transfer of the film to a film feed device, an edge strip is c...

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Abstract

An improved process for processing a film web (4) has the following steps: the film web (4) is cut in the longitudinal direction, forming a marginal strip (4a) and a remaining film web (4b) with a width reduced by the width of the marginal strip (4a); the marginal strip (4a) is transferred to a movable film-drafting device (10) on which is arranged a gripper; the remaining film web (4b) is separated entirely or partially by cutting and also possibly by tearing; the film-drafting device (10) is moved along one side of a roller arrangement (2), threading the film web (4) into the roller arrangement (2); the film-drafting device (2) is moved along one side of a winding device (3) comprising at least one winding roller (8) up to a release or end position (P); and the film-drafting device (10) is opened at the end position (P) to release the marginal strip (4a).

Description

technical field [0001] The invention relates to a method and a device for processing a film web. Background technique [0002] The invention starts here with a uniaxial or biaxial film stretching device, as is known from the prior art (for example from WO 96 / 29190). [0003] After a uniaxial or biaxial stretch forming, it is known to guide the correspondingly produced film through the different processing and inspection stations of a roll arrangement (so-called discharge legs, pull rolls) and to wind it up on a winder . The film web is usually inserted manually by an operator via a so-called open insertion gap into the discharge column and winder in the film stretch forming plant. In this case, the film is followed by alternately surrounding rollers and parts of the machine frame must be engaged all around. Therefore, on the one hand, the insertion speed is limited to a limited extent by the physiological characteristics of the operator, and on the other hand, the costs f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H20/16B65H20/02B65H23/025
CPCB65H2301/41427Y10T156/108B65H2301/52202Y10T156/1052Y10T156/1712B65H23/025Y10T83/0467Y10T156/1798Y10T83/0424Y10T156/1067Y10T156/12B65H2301/41898Y10T83/323B65H20/02
Inventor P·韦伦霍夫H·林德J·布赖尔M·施坦德尔
Owner BRUECKNER MASCHB
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