Photography – Fluid-treating apparatus – Having fluid-circulating means
Patent
1995-05-10
1996-10-01
Rutledge, D
Photography
Fluid-treating apparatus
Having fluid-circulating means
G03D 302
Patent
active
055614914
ABSTRACT:
A photographic processing apparatus including recirculation of processing solution is provided with a variable loop additive control system comprising a treatment container in which additive solids, pastes or fluids are introduced and through which a controlled volume of processing solution is circulated from and back to the recirculating system loop. The secondary loop of the additive system allows control of the flow of processing solution through the treatment container so that the mixing of the additive into the processing solution may be controlled at a desired rate and the additive is not excessively utilized or dissipated. Various arrangements for connecting a secondary additive loop to the primary loop of a recirculating processing solution system are illustrated.
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Patton David L.
Piccinino, Jr. Ralph L.
Rosenburgh John H.
Eastman Kodak Company
Rutledge D
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