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Film peeling method

A film and pitch technology, used in household appliances, metal processing, adhesives, etc., to achieve the best efficiency and less waste.

Inactive Publication Date: 2012-04-18
FECKEN-KIRFEL GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, preset layer thicknesses can only be obtained after peeling off longer films

Method used

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  • Film peeling method
  • Film peeling method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] figure 1 A block 10 of foam material to be processed into a foam film is shown. The block of material 10 is substantially cylindrical. It sits on a shaft 11 which passes through the block of material along its axis. A blade 12 is disposed against the block of material, the blade being disposed on an adjustable knife bar substantially tangential to the block of material and having a cutting edge 13 . The blade may be an endless knife band. The position of the blade relative to the block of material 10 is controlled by control means such that as the block of material 10 rotates, the blade moves radially towards the axis A at a constant speed so that the blade follows a general helical shape relative to the block axis. track. The blade peels the film 14 from the block of material, and the film 14 is wound into a roll 15 . The withdrawal device ensures that the film 14 moves at a constant transport speed, ie independent of the different radii of the material blocks.

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Abstract

According to the method, in an initial peeling phase (AP), the block of material (10) is spirally peeled. Subsequently, there is a transitional phase (UP) of a fraction of a revolution in order to change over to the desired layer thickness. In the following peeling phase (SP), the same spiral pitch is used as in the initial stripping phase. During each revolution of the block of material, the blade is lowered to an increased depth into the block of material in a limited angular range (22) and, subsequently, the revolution is completed with the pitch of the initial peeling phase. Advantages are obtained by the desired layer thickness being achieved within fractions of a revolution. The method can be carried out with little time being spent and low material wastage.

Description

technical field [0001] The present invention relates to a method of peeling off a film from a block of material which rotates around an axis, and is particularly suitable for peeling off a film of foam material. Background technique [0002] DE 10 2006 027 271 B4 describes a method for opening a device for peeling off a film from a block of material. In this method, the block of material is rotated around an axis, while the tool bar is continuously adjusted so that it can perform a helical movement relative to the block of material, during which the distance between the bar and the axis becomes smaller and smaller. During the initial peeling phase, the blades are moved closer to the block of material as it rotates to prepare the surface of the block for subsequent peeling operations. Thereafter, the preset thickness of the film is adjusted by means of the adjusting device, while the block of material is rotated by a maximum of one turn, in which the preset size of the film ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26D3/28B26D7/01
CPCB26D3/28B29D7/01Y10T156/11
Inventor 迈克尔·蒂尔曼赫尔穆特·滕内斯
Owner FECKEN-KIRFEL GMBH & CO KG
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