Printing machine with exchangeable ink application means

Details Printing machine with exchangeable ink application means Printing machine with exchangeable ink application means

B - Operations, Transporting

41

F

B41F 3/56 (2006.01) B41F 11/00 (2006.01) B41F 13/20 (2006.01) B41F 13/44 (2006.01)

Patent

CA 2229402

A printing machine for printing a substrate web, which printing machine comprises at least one printing module, such a printing module being provided with an impression roller and ink application means, the ink application means comprising a cylindrical element, which cylindrical element extends parallel to the impression roller and abuts against the impression roller at a contact line with interposition of the substrate web, the cylindrical element being arranged to apply a desirable ink printing pattern to the substrate web, wherein a relevant printing module is provided with a circumferential bearing which engages an outer surface of a relevant cylindrical element, which can be brought into a locking position and into an exchange condition, the circumferential bearing being arranged to receive cylindrical elements intended for different printing techniques, such as silk-screen printing, flexographic printing, letterpress printing, intaglio printing, offset printing and the like.

Machine servant à imprimer une bande de substrat, comprenant au moins un module d'impression. Ce module d'impression comporte un rouleau d'impression et un dispositif d'application d'encre doté d'un élément cylindrique. Ce dernier s'étend en parallèle avec le rouleau d'impression et est mis en butée contre le rouleau d'impression à une ligne de contact avec interposition de la bande de substrat. L'élément cylindrique est placé de façon à appliquer un certain motif d'impression à l'encre sur la bande de substrat. Un module d'impression pertinent est fourni avec un appui circonférentiel qui s'engage dans une surface extérieure d'un élément cylindrique pertinent pouvant être amené dans une position de blocage et une condition d'échange. L'appui circonférentiel est disposé de façon à recevoir des éléments cylindriques utilisés pour différentes techniques d'impression, comme la sérigraphie, la flexographie, la typographie, l'héliogravure, l'offset et d'autres procédés similaires.

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