B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
101/40, 101/67,
B41F 11/02 (2006.01) B41F 13/04 (2006.01) B41F 21/06 (2006.01)
Patent
CA 2022550
The rotary web-fed printing machine has three successively-arranged printing units, namely one offset and two intaglio printing units which are all of a similar design to sheet-fed printing units and in which the cylinders forming the printing nip have a plurality of sectors separated by cylinder pits. Each printing unit has, in front of the printing nip, a first paper-web store and an intermittently controllable first draw-roller unit and, after the printing nip, an intermittently controllable second draw-roller unit and a second paper-web store, the draw-roller units which have only one suction roller being controllable for the forward and backward movement of the web by means of individually regulated drives and at the same time serving for the register check. In front of the first paper-web store of the first printing unit, between the printing units within the portions limited by the respective paper-web stores and behind the second paper-web store of the last printing unit, the web is moved uniformly by continuously driven draw-roller arrangements, whereas during the run through the printing nip the paper-web transport takes place in the pilgrim-step mode.
Bolza-Schunemann Hans Bernhard
Germann Albrecht Jozef
Lapp Joachim Alfred Heinz
Schaede Johannes Georg
de La Rue Giori S.a.
Marks & Clerk
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