Printing unit of a web-fed rotary press

Details Printing unit of a web-fed rotary press Printing unit of a web-fed rotary press

B - Operations, Transporting

41

F

B41F 13/12 (2006.01) B41F 7/10 (2006.01)

Patent

CA 2541942

A printing unit of a web-fed rotary press has a plurality of press units, each press unit having a forme cylinder, a transfer cylinder, an inking unit and optionally a damping unit, and having at least one impression cylinder. Each forme cylinder rolls on the respective transfer cylinder and each transfer cylinder rolling on an impression cylinder in a thrown-on position of the printing unit, in order to apply single-color printed images onto a printing material which is moved through between the transfer cylinders and the or each impression cylinder. Each forme cylinder bears a plurality of printing images next to one another in the axial direction, by which corresponding single- color printed images are applied to the printing material. The printing images which are arranged next to one another in the axial direction of the respective forme cylinder are offset with respect to one another in the circumferential direction in such a way that deviations in the circumferential register between the single-color printed images which are to be printed in different press units can be compensated for.

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