Apparatus and method for neutralizing waste photographic fluids

Details Apparatus and method for neutralizing waste photographic fluids Apparatus and method for neutralizing waste photographic fluids

1974-12-05

1976-08-31

Braun, Fred L.

G03D 302

Patent

active

039785068

ABSTRACT:
An apparatus and method for neutralizing waste film-processing fluids discharged from a plurality of work stations containing film-processing fluids utilize a container adapted to receive the waste fluids as well as a predetermined quantity of neutralizing fluid. The quantity of neutralizing fluid admitted into the container is a function of the number and/or size of the film-emulsion carriers to be processed in the work station and/or a function of the fluid content of the container itself. A sensor is provided to detect the fluid contents of the container and cooperates with a control value so as to admit the predetermined quantity of neutralizing fluid into the container. A discharge pump is also provided to discharge the neutralized fluid contents of the container to a discharge area.

REFERENCES:
patent: 1319026 (1919-10-01), Ybarrondo
patent: 2073664 (1937-03-01), Weisberg et al.
patent: 3528358 (1970-09-01), Pickard
patent: 3687050 (1972-08-01), Wilke
patent: 3733994 (1973-05-01), Armstrong et al.
patent: 3738868 (1973-06-01), Lancy
patent: 3832730 (1974-08-01), Geyken et al.

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