B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
B42D 15/00 (2006.01) B41M 1/10 (2006.01)
Patent
CA 2661570
The invention relates to a method for producing a security paper sheet for security or valuable documents (10), in which the security paper sheet is provided in a recess printing step with at least one recess printing motif (12, 14) with a raised relief structure, and in which, according to the invention, additionally a plurality of compensation elements (16), which are distributed over the area of the security paper sheet, with raised relief structure for compensating for the profile of the security paper sheet are produced in the recess printing step.
L'invention concerne un procédé de fabrication d'une feuille de papier de sécurité pour des documents de sécurité ou de valeur (10), selon lequel la feuille de papier de sécurité est pourvue, lors d'une étape d'impression en taille-douce, d'au moins un motif (12, 14) imprimé en taille-douce ayant une structure en relief. Selon l'invention, au cours de l'étape d'impression en taille-douce, on produit en plus une pluralité d'éléments d'égalisation (16) à structure en relief répartis sur la surface de la feuille de papier de sécurité, afin d'égaliser le profil de la feuille de papier de sécurité.
Giesecke & Devrient Gmbh
R. William Wray & Associates
LandOfFree
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