Method and apparatus for automatically cleaning liquid supply ro

Details Method and apparatus for automatically cleaning liquid supply ro Method and apparatus for automatically cleaning liquid supply ro

1989-09-07

1990-11-06

Burr, Edgar S.

Printing

Antismut device

Cleaners

101425, 101424, B41F 3500, B41L 4100

Patent

active

049676644

ABSTRACT:
Method and apparatus capable of automatically cleaning a dampening water supply passage to a plate cylinder in an offset press, as well as an ink supply passage to the late cylinder. The apparatus comprises an operation instruction means producing operation signals in a sequence to driving portions of various means which include ink supply-stopping means, means for supplying a cleaning solvent, cleaning waste recovering means, means for bringing ink supply rollers out of contact with the plate cylinder, means for bringing dampening water supply rollers out of contact with the plate cylinder, and main control means, a start instruction means that starts the operation instruction means, and a manual instruction means. This manual instruction means permits the operator to select either cleaning of only the ink supply passage or cleaning of all the ink supply passage and the dampening water supply passage.

REFERENCES:
patent: 3842735 (1974-10-01), Southam et al.
patent: 4311095 (1982-06-01), Jeschke
patent: 4353299 (1982-10-01), Murai et al.
patent: 4497250 (1985-02-01), Dressler
patent: 4527479 (1985-07-01), Dahlgren et al.
patent: 4619198 (1986-10-01), Moll
patent: 4690055 (1987-09-01), Fadner et al.
patent: 4760857 (1988-08-01), Shiba et al.

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