Device for dampening a printing plate

Details Device for dampening a printing plate Device for dampening a printing plate

1984-07-20

1986-11-25

Burr, Edgar S.

Printing

Planographic

Dampeners

101425, 101416A, B41L 2504, B41L 4100

Patent

active

046241825

ABSTRACT:
A device for dampening a printing plate of a rotary printing machine having in successive engagement a dampening-pan roller, a metering roller and dampening-medium applicator rollers for forming a very thin uniform dampening-medium film including at least one brush roller cooperatively engaging and rolling on the metering roller, the brush-roller having absorptive brushes on the periphery thereof engageable with the surface of the metering roller for removing at least part of the dampening medium located in excessive quantities at any surface region of the metering roller.

REFERENCES:
patent: 176193 (1876-04-01), Rhell
patent: 1364257 (1921-01-01), Dobberton
patent: 2162248 (1939-06-01), Delaplane
patent: 2580667 (1952-01-01), Faeber et al.
patent: 2804693 (1957-09-01), Brodie
patent: 3106154 (1963-10-01), Saul
patent: 3257940 (1966-06-01), Strudwick
patent: 3343484 (1967-09-01), Dahlgren
patent: 4143596 (1979-03-01), Ivett

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