Patent
1982-09-28
1984-02-07
Mathews, A. A.
354328, 354331, G03B 304
Patent
active
044299818
ABSTRACT:
This invention relates to apparatus for processing photographic film, and more specifically, to a tank apparatus which is used to house the film during the processing cycle.
The tank is provided with an opening at the bottom portion which functions to admit chemical processing solution to the interior so that the solution contacts the film. The opening is almost completely covered by a plate positioned within the tank, the plate being configured so that the solution passes upwardly into the tank at the periphery of the plate. The plate is part of a floating agitator device which carries the film and is movable within the tank between a first position and a second position. The agitator device is moved between positions by a lever arm, plunger rod or the like which is accessible from the exterior of the tank. In operation, the tank is submerged into a chemical solution in a vessel, the solution enters the tank and covers the film, the film is reciprocally moved by activating the floating agitator, and the tank is withdrawn and placed in a second vessel. The cycle is then repeated.
REFERENCES:
patent: 2829575 (1958-04-01), Collins
patent: 3886575 (1973-09-01), Gall
patent: 4001852 (1977-01-01), Gall
patent: 4291968 (1981-09-01), Work
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