Apparatus for processing photographic material and a method of r

Details Apparatus for processing photographic material and a method of r Apparatus for processing photographic material and a method of r

1994-11-07

1996-07-30

Rutledge, D.

354324, G03D 302

Patent

active

055416985

ABSTRACT:
Apparatus and method for processing photographic material in which the material is passed through at least one processing vessel filled with processing liquid from a supply receptacle of processing liquid. Each vessel is filled by means of a liquid delivery pump which operates under the control of a liquid level sensing means sensing the level of processing liquid in the vessel and actuating the pump when the sensed level falls below a predetermined level. In order to regenerate the processing liquid in use over time, a predetermined quantity of processing liquid is removed periodically from at least one vessel via a discharge pump, preferably operating volumetrically, the quantity of liquid thus removed from the vessel being replaced with additional liquid from the supply receptacle to maintain the predetermined liquid level, Preferably, the supply receptacle is a flexible collapsible bag sealed to minimize deterioration of the processing liquid therein.

REFERENCES:
patent: 4629303 (1986-12-01), Vermarien
patent: 5016036 (1991-05-01), Nishikawa

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