Photographic developer

Details Photographic developer Photographic developer

1977-12-29

1979-12-11

Hix, L. T.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

354324, 354328, 354331, 134 88, 134114, G03D 304

Patent

active

041780892

ABSTRACT:
A photographic developer for sheet film arranged to feed the film through two or more interconnected chambers sealed by seals at the inlet of the first chamber and the outlet of the final chamber and also sealed at the interconnection of the chambers by means of seals which are preferably rotatable and controlled by a single motor, the seals preferably having rotatable valves at one end which control the inlet and outlet of developing and fixing agents as well as a drying gas.

REFERENCES:
patent: 2077081 (1937-04-01), Tondreau et al.
patent: 2918069 (1959-12-01), Brown et al.
patent: 3067758 (1962-12-01), Hersh
patent: 3095798 (1963-07-01), Kelly
patent: 3516345 (1970-06-01), Meyer
patent: 3538835 (1970-11-01), Needleman
patent: 3593640 (1971-07-01), Gall
patent: 3792488 (1974-02-01), Katakabe
patent: 3886576 (1975-05-01), Stoffel
patent: 4068249 (1978-01-01), Degenhardt et al.
patent: 4092658 (1978-05-01), Schroter

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