Wet modular film printer

Details Wet modular film printer Wet modular film printer

1982-03-11

1983-01-04

Hayes, Monroe H.

Photocopying

Contact printing

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

355108, G03B 2720

Patent

active

043670393

ABSTRACT:
A wet modular film printer having a plurality of removable modules upon which film printer components are mounted including a liquid immersed, capstanless printing head. The printing head immersion liquid is continuously recirculated and filtered by means of a recirculation draw off near the top of the liquid surface and a recirculated liquid return downstream of the printed head. Liquid containing areas are all enclosed and a negative pressure is maintained to remove any noxious vapors. After printing, the liquid remaining on the raw stock and the negative is removed by a series of wipers, an air stripper and a drying column. The drying column uses heated air which flows countercurrent to the direction of film movement so that the air is progressively hotter along the film's path of movement.

REFERENCES:
patent: 2890621 (1959-06-01), Suits
patent: 3664738 (1972-05-01), Cameron
patent: 4099869 (1978-07-01), Lang
patent: 4105329 (1978-08-01), Carter
patent: 4154528 (1979-05-01), Watson et al.
patent: 4223985 (1980-09-01), Carter et al.

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