Photography – Fluid-treating apparatus – Heating – cooling – or temperature detecting
Patent
1995-06-06
1997-04-08
Rutledge, D.
Photography
Fluid-treating apparatus
Heating, cooling, or temperature detecting
G03D 700
Patent
active
056197438
ABSTRACT:
A photographic processing apparatus efficiently processes color photographic film and color printing paper. Intermediate portions of pipes for circulating processing solutions which communicate with a bleaching tank, first and second fixing tanks, a wash tank and first and second stabilizing bath tanks of a film processing section, and a bleaching/fixing tank and first through third rinsing tanks of a printing paper processing section penetrate a metal block of a cast heater so that the pipes are coupled together by the metal block for efficient heat transmission. A heater is provided inside the metal block to uniformly heat the processing solutions which flow through the pipes. Heat is exchanged among the processing solutions flowing through the pipes so that the processing solutions in the bleaching tank through the second stabilizing bath tank of the film processing section and the bleaching/fixing tank through the third rinsing tank of the printing paper processing section are effectively maintained at the roughly same temperature.
REFERENCES:
patent: 4920252 (1990-04-01), Yoshino
patent: 5116721 (1992-05-01), Yamamoto
patent: 5486890 (1996-01-01), Mogi
Ishikawa Takatoshi
Mogi Fumio
Fuji Photo Film Co. , Ltd.
Rutledge D.
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