Inking system for lithographic offset printing machines

Details Inking system for lithographic offset printing machines Inking system for lithographic offset printing machines

1978-01-27

1979-04-10

Fisher, J. Reed

Printing

Inkers

Roller

101148, 101DIG6, B41F 3114, B41F 3126, B41F 3504, B41F 3130

Patent

active

041482565

ABSTRACT:
To prevent splashing off of water and ink emulsion from rollers in the inking system due to feedback of wetting water to the inking system, a roller of the inking system, preferably an ink supply roller accepting ink from a ductor roller, is associated with a return roller which accepts the water-ink emulsion, and a stripping arrangement which strips off that emulsion from the return roller returns the emulsion to the ink well or ink trough of the ink supply system. The stripping element may be the ductor roller itself, rotating in counter direction to rotation of the return roller, intermediate rollers in counter-rotation with respect to the ductor roller, or doctor blades, or the like.

REFERENCES:
patent: 2223945 (1940-12-01), Barber
patent: 2690119 (1954-09-01), Black
patent: 4033262 (1977-07-01), Johne et al.

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