Ink-applying device

Details Ink-applying device Ink-applying device

1982-11-22

1984-08-28

Fisher, J. Reed

Printing

Inkers

Roller

101365, 101366, B41F 3106, B41F 3108, B41F 3126, B41L 2728

Patent

active

044677219

ABSTRACT:
An ink-applying device includes a rotary ink-application roller and a rotary dosing roller positioned between the ink-application roller and a funnel-shaped ink reservoir filled with ink. A bottom wall of the dosing roller is formed with a longitudinal row of conical holes of differing diameters.
A number of dosing chambers of differing diameters are formed, respectively in the circumferential surface of the dosing roller to receive ink from the ink reservoir through those holes and to transmit it to an ink-application roller upon rotation of the dosing roller. A plurality of vertically movable plungers are mounted in the ink reservoir to selectively close or open the filling holes in the bottom wall communicated with respective dosing chambers in the dosing roller. A predetermined ink profile on the dosing roller may be obtained in each ink zone by selecting holes and dosing chambers to be closed and open.

REFERENCES:
patent: 512562 (1894-01-01), Mare
patent: 2762301 (1956-09-01), Cornell
patent: 2887044 (1959-05-01), Smejda
patent: 2945437 (1960-07-01), Hilgue et al.
patent: 4158333 (1979-06-01), Naui

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