Process for making decorated, extruded, profiled elements

Details Process for making decorated, extruded, profiled elements Process for making decorated, extruded, profiled elements

B - Operations, Transporting

44

C

B44C 1/17 (2006.01) B41M 3/12 (2006.01) B41M 5/035 (2006.01)

Patent

CA 2213744

A process for the production of extruded profiles and shaped sheets, variously decorated, especially from aluminium alloy to be used in the building field, for domestic appliances and the like, comprising the steps of preliminary preparation of the surfaces of the article (1), the application of preliminary painting cycles or other surface treatments, the wrapping of the article with a transfer support (2) carrying the decorations wished, the covering of the part so wrapped within a membrane (5) of rubber or the like and the creation of vacuum through holes (6) between the membrane and the piece covered by the same, on prior interposition of means (3) suitable to ensure the flow and the exhaust of the air so as to cause the adhesion of the support to the shape of the article, as well as the possible interposition of yielding means (4), suitable to equalize the pressure exercized by the membrane and lastly the heating for the transfer of the pattern and the polymerization of the colours.

Ce procédé de production, notamment à partir d'alliage d'aluminium utile dans le domaine de la construction, de profilés extrudés et de feuilles façonnées, décorés de manière variée et destinés à des appareils ménagers et analogues, consiste à préparer d'abord les surfaces de l'article (2), à appliquer des cycles préalables de peinture ou d'autres traitements de surface, à revêtir l'article d'un support-transfert (2) porteur du décor souhaité, à recouvrir la partie ainsi revêtue d'une membrane (5) en caoutchouc ou analogue, puis à créer le vide à travers des trous (6) pratiqués entre la membrane et la pièce recouverte par celle-ci, par interposition préalable de moyens (3) conçus pour assurer la circulation et la sortie de l'air de manière à provoquer l'adhésion du support sur la forme de l'article, l'interposition de moyens (4) peu résistants étant également possible et conçue pour égaliser la pression exercée par la membrane, et enfin à chauffer pour effectuer le transfert du modèle et la polymérisation des couleurs.

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