Card with integrated overprinting

Details Card with integrated overprinting Card with integrated overprinting

B - Operations, Transporting

44

F

B44F 1/00 (2006.01)

Patent

CA 2215831

Cards (10) and methods of securing hidden symbols (22) on cards (10) are disclosed. The cards (10), such as instant-win lottery tickets, utilize continuous overprint inks that mask the boundaries between their "secure" (14) and "unsecure" (18) portions to inhibit unscrupulous players from successfully tampering with them. By reformulating the overprint inks to permit a single set to be applied to both portions of a card (10), more vibrant and aesthetically pleasing graphics may be displayed as well while utilizing fewer printing stations during the printing process.

On décrit des cartes (10) ainsi que des procédés de protection de symboles cachés (22) sur celles-ci. Sur ces cartes (10), telles que des billets de loterie à gain instantané, on utilise des encres de surimpression continue qui masquent les limites entre les zones "protégées" (14) et "non protégées" (18), afin d'empêcher que des joueurs peu scrupuleux manipulent avec succès ces zones. En formulant à nouveau des encres de surimpression afin de permettre l'application d'une seule couche de celles-ci sur les deux zones à la fois d'une carte (10), on obtient une représentation graphique plus plaisante esthétiquement et aux couleurs plus vives, ce procédé d'impression nécessitant moins de postes d'impression.

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