B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 23/08 (2006.01)
Patent
CA 2420281
The invention pertains to a method and a corresponding device for coating printed products, wherein the products are initially printed in at least one printing process and are provided with a layer that covers the printing ink on the printed product immediately thereafter in at least one coating process. The invention is based on the objective of extending a method and a device of this type such that a UV varnish can be directly applied onto conventional printing inks without requiring additional printing processes. According to the invention, this objective is attained by subjecting the ink layer on the printed product to a corona treatment after the printing process and before the coating process. A device for carrying out the corona treatment (4) is arranged between the last printing station (1, 2, 3) and the device for coating the printed products (6, 7, 8, 9).
L'invention concerne un procédé et un dispositif pour le couchage de produits imprimés qui sont d'abord imprimés lors d'au moins une étape d'impression, puis sont directement pourvus d'une couche recouvrant l'encre d'imprimerie sur la matière imprimée lors d'au moins une étape de couchage. L'invention vise à développer un tel procédé et son dispositif afin qu'il soit possible d'appliquer par ultraviolet du vernis directement sur des encres d'imprimerie conventionnelles sans étapes d'impression supplémentaires. A cet effet, la couche d'encre sur le produit imprimé est soumise à un traitement corona après l'impression et avant le couchage. Le dispositif selon l'invention est caractérisé en ce qu'un dispositif pour traitement corona (4) est placé entre le dernier élément d'impression (1, 2, 3) et le dispositif de couchage des produits imprimés (6, 7, 8, 9).
Frei Wolfgang
Gebhardt Rainer
Ihme Andreas
Walther Thomas
Man Roland Druckmaschinen Ag
Manroland Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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