Automatic photographic film processor and fluid-tight seals ther

Details Automatic photographic film processor and fluid-tight seals ther Automatic photographic film processor and fluid-tight seals ther

1977-04-28

1979-09-04

Hix, L. T.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

354331, 134122P, 118405, G03D 308

Patent

active

041666887

ABSTRACT:
An automatic photographic film processor or like device for treating sheets of materials of the type provided with a plurality of approximately equal-length, annularly arranged parallel rollers positioned in longitudinally contacting relation to form the periphery of a chamber adapted to contain a processing solution, fluid-tight seals being provided between the ends of such rollers and flat side plates. The rollers are each comprised of a rigid shaft having a resilient covering of a thickness at least comparable to that of the roller shaft. The end of the roller and the side plate are contoured so that a portion of the roller adjacent to the outer diameter thereof provides a seal when brought into flush contact with the side plate. This contouring also permits the rollers to be longitudinally compressed to assist in providing the seal, while providing strain relief to the roller end in the vicinity of the shaft.

REFERENCES:
patent: 1946627 (1934-02-01), Karrer
patent: 2693879 (1954-11-01), Gehrman
patent: 2781655 (1957-02-01), Brown
patent: 3057282 (1962-10-01), Luboshez
patent: 3315370 (1967-04-01), Hikosaka
patent: 3367667 (1968-02-01), Allen
patent: 3467399 (1969-09-01), Kelly et al.
patent: 3908410 (1975-09-01), Umehara et al.

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