Step and repeat system

Details Step and repeat system Step and repeat system

1977-02-03

1979-03-06

Hix, L. T.

Photocopying

Contact printing

Fluid pressure retention of carrier and receiver in exposure...

355 95, 355 75, G03B 2720, G03B 2704

Patent

active

041427947

ABSTRACT:
A step-and-repeat registration system is disclosed for making multiple-image plates for use in flexographic printers or the like. The negative which carries the image to be transferred to a light-sensitive film, is referenced with respect to a fixed frame. An incremental step registration system accurately positions the film at a succession of predetermined stations to bring different portions of the film opposite the negative. At each station the film is brought into contact with the negative and an exposure is made on the pertinent film portion, using a light source to project the image onto the film. The registration system provides high accuracy and lends itself to partial or complete automation.

REFERENCES:
patent: 954920 (1910-04-01), Huebner
patent: 2974579 (1961-03-01), Echelson et al.
patent: 3639059 (1972-02-01), Strumor et al.
patent: 3840300 (1974-10-01), Vane
patent: 4047813 (1977-09-01), Spence-Bate

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