Printing groups of a printing press

Details Printing groups of a printing press Printing groups of a printing press

2006-10-03

2006-10-03

Yan, Ren (Department: 2854)

Printing

Rolling contact machines

Rotary

C101S181000, C101S352060

Reexamination Certificate

active

07114439

ABSTRACT:
A printing group of a printing press is comprised of at least one pair of cylinders which include a form cylinder and a transfer cylinder. The transfer cylinder cooperates with an impression cylinder to apply ink to a web of material, with the web being guided vertically. The circumference of at least one of the transfer cylinders and the impression cylinder is an integral multiple, greater than one of the circumference of the form cylinder. The transfer cylinder and the form cylinder have respective drive motors that are mechanically independent from the drive of the respective other cylinder.

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