Pressure-sensitive tacky printing roller for removing printing i

Details Pressure-sensitive tacky printing roller for removing printing i Pressure-sensitive tacky printing roller for removing printing i

1994-06-24

1996-03-05

Funk, Stephen

Printing

Inkers

Roller

101349, 1014501, 492 56, B41F 3126

Patent

active

054958016

ABSTRACT:
A printing roller, or form roller, having sufficient pressure-sensitive tack for cleanly removing ink from non-image areas of a waterless planographic plate irrespective of the tackiness of the ink. The roller can be fabricated with the necessary pressure-sensitive tack by disposing a coated sleeve, or coating layer, upon the peripheral surface of a standard roller base. The surface of the coating is elastomeric. Elastomers that will work with this invention can be selected from a group consisting of: butyl rubber, nitrile rubber, styrene butadiene, polychoroprene, polysulfide, polyurethane, polyolefin, polyvinyl acetate, acrylics, gelatine/aldehyde, epoxies, and combinations thereof.

REFERENCES:
patent: 2088471 (1937-07-01), Freedlander
patent: 2278982 (1942-04-01), Frolich
patent: 3293728 (1966-12-01), Hill
patent: 3387074 (1968-06-01), Hill
patent: 3724047 (1973-04-01), Peterson
patent: 3800366 (1974-04-01), Hill
patent: 4038731 (1977-08-01), Hill
patent: 4296172 (1981-10-01), Hill
patent: 4403550 (1983-09-01), Sharp
patent: 4751127 (1988-06-01), Pinkston et al.
patent: 4829645 (1989-05-01), Kannwischer
patent: 5207158 (1993-05-01), Fadner et al.

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