Printing – Planographic – Dampeners
Patent
1992-09-16
1995-02-14
Fisher, J. Reed
Printing
Planographic
Dampeners
101483, B41F 3106
Patent
active
053885112
ABSTRACT:
A rotary press includes a plurality of cylinders including plate cylinders arranged to perform printing. Each of the plate cylinders is supplied with ink through an inking unit which is associated with the plate cylinder. The inking unit is composed of at least one of form rollers, an ink metering roller which is in contact with an ink metering doctor blade, and a fountain roller partially dipped in an ink fountain pan. At least one of the inking units further includes an intermediate roller interposed between the upperstream side of the form roller(s) and the downstream side of the metering roller when the ink fountain pan is located above the plate cylinder to be supplies with ink through the inking unit. The intermediate roller can freely change the revolving direction of the metering roller so that the ink metering doctor blade can be arranged at any proper position where is no obstruction to adjust the contact angle of the doctor blade onto the mesh roller and repair or replace the doctor blade per se.
REFERENCES:
patent: 4428291 (1984-01-01), Dorow
patent: 4690055 (1987-09-01), Fadner et al.
patent: 4796549 (1989-01-01), Okamura
Fisher J. Reed
Kabushikigaisha Tokyo Kikai Seisakusho
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