Inking unit for a printing machine

Details Inking unit for a printing machine Inking unit for a printing machine

1985-07-03

1986-11-04

Fisher, J. Reed

Printing

Inkers

Roller

101DIG14, B41F 3114, B41F 3134, B41L 2716

Patent

active

046204814

ABSTRACT:
In an inking unit, the ink is taken in metered quantities from an ink reservoir and distributed by inking rollers to form an ink film adapted to be applied by ink applicator rollers to a printing plate. To avoid mottling, an ink applicator roller is moved axially in the phase of a machine cycle during which the ink applicator roller is not in engagement with the printing plate. During the ink application, on the other hand, the ink applicator roller performs either no axial movement or only a slight axial movement. This avoids an undesirable increase of the size of the screen dots and improves the print quality.

REFERENCES:
patent: 2300549 (1942-11-01), Huck
patent: 3983812 (1976-10-01), Schramm

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