Method for forming register marks

Radiation imagery chemistry: process – composition – or product th – Registration or layout process other than color proofing

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Details

101135, 101211, 101DIG12, 355 40, 355 52, 355 53, G03F 900, B41M 114, G01B 1116, G01N 3348

Patent

active

045827680

ABSTRACT:
A method for forming or marking register marks used for the automatic registration between a plurality of printing plates in a printing press. A register mark forming or marking device is mounted on a printing frame of an automatic composer so that a register mark can be formed or marked on a printing plate simultaneously with the printing of a film original over the printing plate. Misalignment between the thus formed or marked register marks and patterns or images can be eliminated.

REFERENCES:
patent: 3904291 (1975-09-01), Webster
patent: 3907425 (1975-09-01), Isamu et al.
patent: 4179990 (1979-12-01), Radencic

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