Printing unit for rotary printing presses

Details Printing unit for rotary printing presses Printing unit for rotary printing presses

1989-01-12

1991-09-10

Fisher, J. Reed

Printing

Planographic

Dampeners

101349, 101425, B41F 726, B41F 3120, B41F 3504

Patent

active

050464167

ABSTRACT:
Printing unit for rotary printing presses having at least one printing unit and at least one ink-conduction cylinder comprising an engageable and disengageable ink-reducing unit assigned to one of the ink-conducting cylinders and having at least one roller, a doctor blade engageable with the one roller and an ink-collection trough, the one roller, while printing is stopped but while ink is being supplied, being in engagement with the ink-conducting cylinder for removing from the ink-conducting cylinder substantially a like portion of ink film which would otherwise be removed by paper being printed in the printing unit.

REFERENCES:
patent: 3410206 (1968-11-01), Dorr
patent: 3749014 (1973-07-01), Gates
patent: 3766853 (1973-10-01), Gallagher
patent: 4270450 (1981-06-01), Difflipp et al.
patent: 4311095 (1982-01-01), Jeschke
patent: 4527479 (1985-07-01), Dahlgren et al.
patent: 4602564 (1986-07-01), Sakamoto et al.
patent: 4660470 (1987-04-01), Kramp et al.

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