B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 1/10 (2006.01) B41F 13/02 (2006.01)
Patent
CA 2334536
Device and method for the automatic register setting of printings printed by plate cylinders (6, 7, 8, n1) in a rotary machine using inks of a plurality of colors. The printing machine particularly comprises a succession of printing units (3, 4, 5, n), at least one pulse generator (23), two pull rollers (14, 15) located downstream of said printing units (3, 4, 5, n), means (7, 8, n1, 12, 13, n3) of correction to correct some register errors, scanning heads (24, 25, n6) each located near and downstream to the respective printing units (4, 5, n). Each printing unit (3, 4, 5, n) particularly includes one of said plate cylinders (6, 7, 8, n1) as well as one of said pressing cylinders (9, 10, 11, n2). Each pressing cylinder being controlled by one of the control units (20, 21, 22, n5).
Bobst S.a.
Smart & Biggar
LandOfFree
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