Wetting apparatus and method for offset printing machines

Details Wetting apparatus and method for offset printing machines Wetting apparatus and method for offset printing machines

1994-04-18

1995-07-25

Yan, Ren

Printing

Planographic

Dampeners

101350, B41F 726

Patent

active

054352436

ABSTRACT:
A wetting apparatus for offset printing machines comprising a first wetting roller immersed in a pan having dampening solution, a metering roller contacting with the first wetting roller, a second wetting roller contacting with the metering roller and with a printing surface, an ink application roller contacting with the printing surface, an ink receiving roller rotatably in contact with the second wetting roller and movable toward and away from at least one of the metering roller and the ink application roller, a vibrating roller rotatably in contact with the ink application roller, and an ink transferring roller rotatably in contact with the vibrating roller and movable toward and away from the ink receiving roller.

REFERENCES:
patent: 3842735 (1974-10-01), Southam et al.
patent: 4440081 (1984-04-01), Beisel
patent: 4461208 (1984-07-01), Ghisalberti
patent: 4584940 (1986-04-01), Germann et al.
patent: 4944223 (1990-07-01), Ishii et al.
patent: 4986176 (1991-01-01), Ishii et al.
patent: 5003871 (1991-04-01), Franz et al.
patent: 5174210 (1992-12-01), Rodi et al.

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