Inking mechanism in a rotary press

Details Inking mechanism in a rotary press Inking mechanism in a rotary press

1983-01-18

1983-11-15

Burr, Edgar S.

Printing

Rolling contact machines

Rotary

101350, 101363, B41F 3100

Patent

active

044148976

ABSTRACT:
In an inking mechanism in a rotary press a doctor blade is provided to prevent the mixing into the ink of bubbles which cause the scattering of an ink mist upon bursting of the bubbles. The doctor blade can swing along the circumferential surface of eccentric sleeves supporting both ends of a fountain roll. A free end portion of the doctor blade contacts with a position just progressed in the rotative direction on that portion of the circumferential surface of a mesh roll to which ink is transferred from the fountain roll. A scraped ink returning plate is provided close to and along the circumferential surface of the fountain roll providing a streamline flow of the scraped ink without turbulent flow. The free end portion of the doctor blade can be displaced for cleaning and replacement.

REFERENCES:
patent: 2270272 (1942-01-01), Davidson
patent: 2278138 (1942-03-01), Paardecamp
patent: 2703525 (1955-03-01), Stempel
patent: 3070066 (1962-12-01), Faeber
patent: 3309992 (1967-03-01), Motter
patent: 3630146 (1970-02-01), Shields
patent: 3738265 (1973-06-01), Saueressig
patent: 4057012 (1977-11-01), Heidemann
patent: 4240347 (1980-12-01), Hazelton et al.

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