Film cassette processor having capillary grooves

Details Film cassette processor having capillary grooves Film cassette processor having capillary grooves

1979-05-04

1980-06-24

Hayes, Monroe H.

Optics: motion pictures

Removable film strip magazine type

Magazines

352130, G03C 1100

Patent

active

042092353

ABSTRACT:
A processor usable in a photographic film cassette, which includes a first chamber from which processing fluid is released to a second chamber for eventual flow through a nozzle opening onto a film strip whenever the cassette is in a processing orientation permitting gravity flow through the nozzle opening. An actuator device extends from the processor interior to its exterior through a passage for releasing the stored fluid from the first to the second chamber and a plurality of capillary grooves are formed in the processor in a region at least in or adjacent said passage to trap therein, by capillary adhesion, preselected quantities of any processing fluid residue. For preventing flow of the residue processing fluid remaining in the processor from travelling through the passage whenever the cassette has orientations other than the processing orientation, the grooves are positioned to be above the processing fluid level just after release thereof from the first chamber to prevent the grooves from interfering with the flow of the fluid during the fluid deposition on the film strip.

REFERENCES:
patent: Re26324 (1967-12-01), Land
patent: 3473459 (1969-10-01), Chen et al.
patent: 3491675 (1970-01-01), Gold
patent: 3785725 (1974-01-01), Batter et al.
patent: 3806245 (1974-04-01), Land et al.
patent: 3809465 (1974-05-01), Mason

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