B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 13/193 (2006.01)
Patent
CA 2437028
Printing device for printing machines of various kind, which is made in such a way that to permit to print paper pages and sheets of any size, with a number of copies larger than those attainable with the current printing machines and with high printing accuracies. Printing device comprising a plurality of cylinders having at least a double height, including caoutchouc-covered printing cylinders (10, 11), which are magnetically attracted with each other during the printing process, thereby preventing any undesired mechanical vibration of the same cylinders, which could be prejudicial for the printing quality, and cylinder-plates (16, 17) which are attracted by the opposite printing cylinders during the printing process, and which are covered with a number of printing plates identical to the number of copies of paper pages and sheets to be printed. The invention also discloses other particular component parts of this printing device.
Dispositif d'impression pour machines à imprimer de divers types, conçue de manière à permettre l'impression de pages et de feuilles de papier de n'importe quel format, avec un nombre de copies supérieur à celui pouvant être atteint avec les machines à imprimer courantes et avec des précisions d'impression élevées. Ledit dispositif d'impression comprend : plusieurs cylindres possédant au moins une double hauteur, dont des cylindres d'impression recouverts de caoutchouc (10, 11) qui sont attirés l'un vers l'autre par attraction magnétique, pendant le procédé d'impression, ce qui empêche toute vibration mécanique indésirable desdits cylindres, vibrations pouvant nuire à la qualité d'impression ; et des plaques-cylindres (16, 17) qui sont attirées par les cylindres d'impression opposés pendant le processus d'impression, et recouvertes de plusieurs plaques d'impression identiques au nombre de copies de pages et de feuilles papier à imprimer. L'invention porte également sur d'autres pièces constitutives particulières dudit dispositif d'impression.
Macpherson Leslie & Tyerman Llp
Meccanica Masi
LandOfFree
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