Method and apparatus for keyless offset printing

Printing – Planographic – Dampeners

Patent

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Details

101350, B41F 726, B41F 728, B41F 736, B41L 2502

Patent

active

046191984

ABSTRACT:
A keyless printing method and apparatus that employs an engraved drum with discrete proportioning ink and water attracting areas to transfer ink and water to a plate cylinder without metering blades at the drum.

REFERENCES:
patent: 3545379 (1970-12-01), Norton
patent: 4040348 (1977-08-01), Gertsch et al.
patent: 4157682 (1979-06-01), Mabraik et al.
patent: 4287827 (1981-09-01), Warner
patent: 4461208 (1984-07-01), Ghisalberti
patent: 4527479 (1985-07-01), Dahlgren et al.

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