Random screen waterless printing process

Details Random screen waterless printing process Random screen waterless printing process

1992-04-01

1994-02-01

Kight, III, John

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430303, 101456, 101467, 1014501, 101469, G03F 700

Patent

active

052831540

ABSTRACT:
An improved method of making lithographic reproductions is disclosed. The method involves several improvements over prior processes, including (a) the combination of random plates and a waterless, dry press for halftone, duotone, tritone and four color separation halftone printing, and (b) the use, in duotone, tritone and four color separation halftone printing of random plates exclusively for all the plates involved in the multi-step printing process.

REFERENCES:
patent: 4037533 (1977-07-01), Rapoport et al.
patent: 4259905 (1981-04-01), Abiko et al.

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