Cleaning and liquid contact with solids – Apparatus – Sequential work treating receptacles or stations with means...
Patent
1983-05-19
1985-06-04
Mathews, A. A.
Cleaning and liquid contact with solids
Apparatus
Sequential work treating receptacles or stations with means...
354328, 134184, 366127, 430 3, 430434, G03D 308
Patent
active
045210926
ABSTRACT:
In the developing of light sensitive plates, the plates are passed through a tank of developing liquid which is subject to ultrasonic waves to assist the developing action. The tank is preferably protected from the atmosphere to hinder degradation of the developing liquid.
REFERENCES:
patent: 2945760 (1960-07-01), Ostergaad
patent: 3690758 (1972-09-01), Knechtel et al.
patent: 3702795 (1972-11-01), Wessels et al.
patent: 4179208 (1979-12-01), Martino
patent: 4239387 (1980-12-01), Ahrens
patent: 4383751 (1983-05-01), Schornig et al.
Mathews A. A.
Photomeca S.A.
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