Printing – Intaglio – Multicolor
Patent
1990-05-03
1991-11-05
Burr, Edgar S.
Printing
Intaglio
Multicolor
101153, 101175, B41F 902
Patent
active
050623591
ABSTRACT:
The intaglio printing machine comprises a plate cylinder (4) with a plurality of engraved printing plates equipped with intaglio cuts representing the elements of a main design and with less deep and finer intaglio cuts representing the elements of a safety background, an impression cylinder (3), a wiping device (10) and a multicolor inking system. This inking system consists of a collector inking cylinder (5) having an elastic surface interacting with the engraved plates mounted on the plate cylinder (4) and having the same diameter as this. The collector inking cylinder (5) is inked by as many selective color inking cylinders (7) as there are colors to be printed, these selective color inking cylinders (7) having reliefs corresponding to the colored zones of the safety background and of the main design, an inking device (8) being associated with each selective color inking cylinder (7). If appropriate, the diameter of the collector inking cylinder can also be double or triple the diameter of the plate cylinder.
REFERENCES:
patent: 4516496 (1985-05-01), Giori
patent: 4552066 (1985-11-01), Giori et al.
patent: 4794856 (1989-01-01), Giori
patent: 4942813 (1990-07-01), Arai
patent: 4981078 (1991-01-01), Dettinger et al.
Burr Edgar S.
De la Rue Giorgi S.A.
Yan Ren
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