Scraper blades used with print rollers

Details Scraper blades used with print rollers Scraper blades used with print rollers

1981-11-23

1983-06-21

Coughenour, Clyde I.

Printing

Stenciling

Processes

101120, 101123, 101354, 401 15, 401 36, 401137, 401208, 427282, 427428, B41M 112, B05D 140, B05D 128

Patent

active

043888631

ABSTRACT:
Print rollers are used on a flatbed screen printer to force the ink through the screen. There is provided scraper blades on either side of the roller assembly so that on the return stroke of the roller assembly some of the printing ink is brought back to the lead roller when it starts its movement. This will insure a supply of ink to the lead roller when it moves into the pattern area of the screen thus giving a more uniform ink deposition across the pattern.

REFERENCES:
patent: 172067 (1876-01-01), Alexander
patent: 1541787 (1925-06-01), Cadgene
patent: 1843116 (1932-02-01), Aldcroftt
patent: 2276181 (1942-03-01), Foster
patent: 2355930 (1944-08-01), Thorne
patent: 2549722 (1951-04-01), Sweet
patent: 2965020 (1960-12-01), Zimmer
patent: 3751747 (1973-08-01), Blaeldh
patent: 3919973 (1975-11-01), Zimmer
patent: 3973491 (1976-08-01), Porth
patent: 4080893 (1978-03-01), Wendell

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