Method for processing and applying a protective foil

Details Method for processing and applying a protective foil Method for processing and applying a protective foil

1985-09-24

1987-11-17

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624418, 156252, 1563063, 1563099, 156322, 156344, 428 41, 428 43, B32B 3118

Patent

active

047072075

ABSTRACT:
A method and an apparatus are described for processing and applying a protective foil to a flat sheet made, more particularly of a thermoplastic synthetic material. The protective foil is used to protect the relatively soft surface of the sheet but, during further processing, difficulties arise in that parts of the surface must be freed of protective foil. In order to protect at least certain areas of the sheet as long as possible from external effects or damage, there is provided a protective foil which, before it is applied to the sheet or to a strip from which the sheet is subsequently produced, is formed with perforations. During further processing of the sheet, the parts of the foil corresponding to the areas of the sheet that are to be freed, are removed and the remainder is protected by the remaining parts of the protective foil.

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patent: 4465729 (1984-08-01), Cancio et al.
patent: 4499130 (1985-02-01), Questel et al.
patent: 4581087 (1986-04-01), Johnson

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