Method and apparatus for the rapid establishment of an ink zone

Details Method and apparatus for the rapid establishment of an ink zone Method and apparatus for the rapid establishment of an ink zone

1990-06-19

1992-01-21

Fisher, J. Reed

Printing

Multicolor

Processes

101137, 101148, B41F 704, B41F 726

Patent

active

050819267

ABSTRACT:
An offset printing press having a wetting unit and an inking unit which has an ink metering device to set an ink profile, the inking unit and the wetting unit each having at least one applicator roller which can be moved into a position in contact with a printing plate mounted on a plate cylinder. To generate an ink profile which is very close to that required for the printing run and to reduce waste, the applicator rollers are moved by a control apparatus into a position of contact with the printing plate during the establishment of the ink zone profile which occurs before the beginning of printing, or during a jam or a blanket washing process which interrupts the printing process. A corresponding process is also described.

REFERENCES:
patent: 3056346 (1962-10-01), Gammeter et al.
patent: 3771446 (1973-11-01), Kaneko et al.
patent: 4000692 (1977-01-01), Wirz
patent: 4434716 (1984-03-01), Ishii et al.
patent: 4660470 (1987-04-01), Kramp et al.

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