Apparatus for exposing and conveying photosensitive plates

Details Apparatus for exposing and conveying photosensitive plates Apparatus for exposing and conveying photosensitive plates

1981-01-08

1982-10-12

Hartary, Joseph W.

Photocopying

Contact printing

Exposing on sensitized printing press plate or cylinder

355 91, 355 99, G03B 2704

Patent

active

043536476

ABSTRACT:
Apparatus for exposing lithographic plates to light through a film, e.g. a negative, adapted for exposing a plurality of plates to light through the same film, having a conveyor with grippers for conveying a plate with a film thereon to an exposure station, where a window comes down on the film and plate, the grippers being opened to allow the window to vacuum-lift the film off the plate and retain it while another plate is conveyed to the exposure station for exposure through the retained film.

REFERENCES:
patent: 3263587 (1966-08-01), Mey et al.
patent: 3635559 (1972-01-01), Harrell et al.
patent: 3771869 (1973-11-01), Diehl et al.
patent: 3810694 (1974-05-01), Harrell et al.
patent: 4082455 (1978-04-01), Brigham
patent: 4178097 (1979-12-01), Sara

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