Holder for ink separator on a drum of a printing press

Details Holder for ink separator on a drum of a printing press Holder for ink separator on a drum of a printing press

1981-04-13

1983-01-04

Fisher, J. Reed

Printing

Multicolor

Inkers

101365, 118261, B41F 3104, B41F 3106

Patent

active

043667546

ABSTRACT:
The present invention relates to a device for feeding ink to a printing press. The invention includes an ink drum and at least one doctor blade for micrometrically proportioning one or more ink films of different colors in narrow zones through a gap provided between the outer surface of the ink drum and the bottom edge of the doctor blade. A key improvement relates to a plurality of holders for carring a plurality of thin plates having contoured edges for acting as seals against the outer surface of the ink drum and against the front face of the doctor blade whereby there is formed a plurality of reservoirs for supplying a plurality of inks simultaneously through a gap provided between the ink drum and the doctor blade. In each holder, an adjustable screw presses against an element which contacts an uncontoured edge of each thin plate. The pressed element may be a captive ball traveling in a groove or a lever pivoted about an axis provided in each holder. This contact by the pressed element against the thin plate causes the contoured edges of the plate to act as seals for forming sides of each ink reservoir.

REFERENCES:
patent: 236566 (1881-01-01), Engels
patent: 358473 (1887-03-01), Nuebling
patent: 729002 (1903-05-01), Spalckhaver
patent: 1105861 (1914-08-01), Story
patent: 1400704 (1921-12-01), Welsh
patent: 1433954 (1922-10-01), Klorer
patent: 1643145 (1927-09-01), Winkler
patent: 1699389 (1929-01-01), Betzinger
patent: 1742787 (1930-01-01), Rupp
patent: 1893148 (1933-01-01), Page
patent: 1919283 (1933-07-01), Troy
patent: 1953105 (1934-04-01), Flinker
patent: 2018193 (1935-10-01), Smith
patent: 2525363 (1950-10-01), Luehrs
patent: 3198113 (1965-08-01), Feller
patent: 3913479 (1975-10-01), Cappel et al.
patent: 3956986 (1976-05-01), Wirz et al.

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