Photo-processing drum with non-reusable chemicals, for use in da

Details Photo-processing drum with non-reusable chemicals, for use in da Photo-processing drum with non-reusable chemicals, for use in da

1979-09-17

1981-07-07

Hix, L. T.

Agitating

Rubber or heavy plastic working

With specified feed means

354330, 366213, G03D 1304

Patent

active

042771595

ABSTRACT:
A photo-processing drum with non-reusable chemicals, for use in daylight conditions, for processing photo-sensitive surfaces with flexible supports, which drum is constituted by two concentric cylinders, closed at one end by the same bottom wall. A flange closes at the other end, a passage provided between the two cylinders and a removable and light-tight cover fits into the free end of the inner cylinder. An axial orifice permits the introduction into the drum of the processing solutions. A slot, made in the wall of the inner cylinder and a joining surface allow the solution contained in the said cylinder to flow into the said passage and to be drained through a draining outlet, when the drum is rotated in one direction. The processing solutions are stirred during the processing step, by rotating the drum in the opposite direction.

REFERENCES:
patent: 3693529 (1972-09-01), Stabler
patent: 3727535 (1973-04-01), Streeter
patent: 3856395 (1974-12-01), Comstock
patent: 3864710 (1975-02-01), Zuber et al.

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