G - Physics – 03 – D
Patent
G - Physics
03
D
95/11.6
G03D 9/02 (2006.01) G03C 8/44 (2006.01)
Patent
CA 1056638
PROCESSING COMPOSITION RECEIVING TRAP WITH AIR VENT AND FLUID IMPERVIOUS LAYER Abstract of the Disclosure In a photographic film unit having a pair of sheets connected in superposition with a photosensitive layer located between the sheets, a container carrying a quantity of fluent processing composition is arranged to provide for the discharge of the fluent processing composition to between the sheets at the leading end of the film unit. A fluid receiver or trap is provided at the trailing end of the film unit to receive and store excess fluent processing composition after it has been spread between the sheets. The trap includes trap spacing means, trap cover means, and trap-venting means formed of a plurality of holes through the trap cover means. The improve- ment comprises a fluent processing-composition-impervious layer on the surface of and substantially coextensive with the trap spacing means adjacent the trap cover means whereby the fluent processing composition is restrained from reaching the trap- venting holes without restraining air or gas from reaching the venting holes for escape from the film unit. The impervious layer may be sealed to the trap cover means transversely of the film unit along the trailing edge of the trap spacing means to improve the restraint of the fluent processing composition.
256342
Eastman Kodak Company
Na
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