Form for rotary printing, coating or embossing striplike...

B - Operations – Transporting – 29 – D

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B29D 99/00 (2010.01) B05B 13/02 (2006.01) B05D 1/00 (2006.01) B05D 1/26 (2006.01) B29C 41/08 (2006.01) B41C 1/02 (2006.01) B41C 1/18 (2006.01) B41N 1/22 (2006.01) B41C 1/00 (2006.01)

Patent

CA 2279370

The invention relates to a form for rotary printing, coating or embossing striplike materials. An elastomer coating (34) is applied to a base (33) with a cylindrical surface shell. When said shell hardens, its outer periphery is machined and engraved into a cylindrical form. The invention also relates to a method for producing such a form. The inventive form is characterized in that the elastomer coating (34) is made from a thermohardening silicon polymer with one or two components.

L'invention concerne une forme pour la réalisation sur rotative d'une impression, d'un recouvrement ou d'une empreinte sur des matériaux en forme de bandes. Sur un support (33) présentant une surface latérale cylindrique est appliquée une couche d'élastomère (34) dont la périphérie extérieure, après durcissement, est façonnée pour constituer une forme cylindrique et gravée. L'invention concerne en outre un procédé permettant de produire ladite forme. La forme selon l'invention se caractérise en ce que la couche d'élastomère (34) est constituée d'un polymère de silicone thermodurcissable à un seul composant ou à deux composants.

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