B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
B42D 15/10 (2006.01)
Patent
CA 2203919
The method provides the protection or personalization of the pre-printed sheets by impressing microengravings, on all or some of the printed portions of the sheets, through an embossing process carried out on the pre-printed sheets at a temperature higher than the softening point of the dyeing substances used for obtaining the print thereon and followed by a cooling step, said microengravings corresponding to holograms or diffraction patterns or images or words.
Procédé permettant de protéger ou de personnaliser des feuilles préimprimées, et consistant à imprimer des microgravures sur au moins certaines des zones imprimées des feuilles, au moyen d'un processus de gaufrage des feuilles préimprimées, à une température supérieure à la température de ramollissement des substances colorantes utilisées lors de l'impression des feuilles, puis à effectuer une étape de refroidissement, lesdites microgravures correspondant à des hologrammes, des images diffractionnelles, des images ou des mots.
Gowling Lafleur Henderson Llp
Oranmay Investments B.v.
LandOfFree
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