Method and apparatus for reducing air entrapment in rotary inkin

Details Method and apparatus for reducing air entrapment in rotary inkin Method and apparatus for reducing air entrapment in rotary inkin

1980-02-08

1981-04-28

Fisher, J. Reed

Printing

Inkers

Roller

101363, 101364, 101426, B41F 3106, B41L 2706

Patent

active

042638488

ABSTRACT:
Method of reducing air entrapment in rotary inking systems of the type wherein an inking cylinder rotates through an inking reservoir, including defining a plurality of curvate baffles transversely within said reservoir and tangentially with respect to the path of the inking cylinder, so as to squeeze entrapped air out of the ink; venting excess air from the reservoir and scraping the surface of the rotating cylinder after inking. A suggested diffusion structure includes a plurality of transverse rods positioned in the reservoir in an arcuate array tangential to the path of rotation of the inking cylinder, such that ink is "squeezed" between each rod and the rotating inking cylinder surface to force out entrapped air bubbles.

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