Form for rotary printing, coating or embossing of sheet-like...

Details Form for rotary printing, coating or embossing of sheet-like... Form for rotary printing, coating or embossing of sheet-like...

B - Operations, Transporting

41

N

B41N 7/00 (2006.01) B29C 35/18 (2006.01) B41C 1/18 (2006.01) B41N 1/22 (2006.01)

Patent

CA 2229003

The invention relates to a form for rotary printing, coating or embossing of sheet-like materials, an elastomer layer (34) being applied to a machine (33) with a cylindrical outer surface and being machined and engraved after curing on the outer periphery thereof to produce a cylindrical form. The invention also relates to a process for producing said form. The form according to the invention is characterised in that the elastomer layer (34) is produced from a cold-curing substance. The elastomer layer (34) is preferably engraved by laser engraving.

L'invention concerne une forme pour l'impression sur rotative, le revêtement ou le gaufrage de matériaux en feuilles continues, une couche d'élastomère (34) étant appliquée sur un support (33) présentant une enveloppe cylindrique, cette couche étant, après durcissement sur sa périphérie, façonnée en une forme cylindrique, puis gravée. L'invention concerne en outre un procédé de fabrication de ladite forme. Conformément à l'invention, la forme est caractérisée en ce que la couche d'élastomère (34) est formée par un matériau durcissable à froid. La couche d'élastomère (34) est de préférence gravée au laser.

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