Method for producing a textured effect in a plastic film,...

B - Operations – Transporting – 29 – C

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B29C 59/00 (2006.01) B29C 59/18 (2006.01) B29C 61/06 (2006.01)

Patent

CA 2422360

The invention relates to a method for producing an embossed effect on a plastic sheet. Said method is characterized by the following steps: a) applying a solvent mixture, containing a varnish, in liquid form to a section of the plastic sheet, whereby the surface of said plastic sheet is essentially inert with respect to the solvent, b) drying said solvent, containing a varnish, c) curing the varnish into a laminated varnish layer, binding to the overall surface section of the sheet, d) shrinking the laminated varnish layer, during the simultaneous stretching of the laminated plastic sheet beneath the laminated varnish layer, without wrinkling of the plastic sheet.

L'invention concerne un procédé permettant de produire un effet gaufré sur une feuille en plastique, lequel procédé se caractérise en ce qu'il consiste : a) à appliquer un mélange solvant, contenant un vernis, sous forme liquide sur une partie de la feuille en plastique, la surface de cette feuille en plastique étant sensiblement inerte par rapport au solvant, b) à sécher le solvant contenant un vernis, c) à faire durcir le vernis jusqu'à l'obtention d'une couche de vernis laminée se liant à toute la partie superficielle de la feuille et d) à laisser cette couche de vernis laminée se rétracter, sous le raidissement simultané de la feuille en plastique laminée située en dessous de la couche de vernis laminée, sans plissage de ladite feuille.

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