Inking unit for printing machines

Details Inking unit for printing machines Inking unit for printing machines

1976-07-02

1978-05-16

Fisher, J. Reed

Printing

Inkers

Fountains

101169, B41F 3104

Patent

active

040892646

ABSTRACT:
Inking unit for a printing machine includes an ink duct, a ductor roller having a surface engageable with ink received in the ink duct, an ink transfer roller for transferring ink from the ductor roller to other rollers, a ductor knife engageable along the length thereof with the surface of the ductor roller and adjustable in position relative to the surface of the ductor roller in zones extending along the length of the ductor knife for controlling the amount of ink to be transferred, and means for adjusting the zones of the ductor knife pulse-like into engagement with and disengagement from the surface of the ductor roller with strokes of equal length and with a stepwise variable stroke time.

REFERENCES:
patent: 3730087 (1973-05-01), Trant et al.
patent: 3898931 (1975-08-01), Posselt
patent: 3902420 (1975-09-01), Greiner et al.
patent: 3964386 (1976-06-01), Dini

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