Vacuum printing apparatus

Details Vacuum printing apparatus Vacuum printing apparatus

1983-11-14

1986-04-29

Hayes, Monroe H.

Photocopying

Contact printing

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

355113, G03B 2720

Patent

active

045853401

ABSTRACT:
Vacuum printing apparatus is provided including a light box having an upwardly facing ground glass illuminated surface. A manually movable vacuum box is movable independently of the light box and is operated face down with a vacuum chamber above the photosensitive printing material and a transparency, the vacuum box resting on the light box for exposure.

REFERENCES:
patent: 2306885 (1942-12-01), Klemm et al.
patent: 3042356 (1962-07-01), Audino
patent: 3399594 (1968-09-01), Leonhart
patent: 3658014 (1972-04-01), Kranz et al.
patent: 3826572 (1974-07-01), Duerr

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