Automatic film processors

Details Automatic film processors Automatic film processors

1989-02-28

1989-12-26

Mathews, A. A.

354323, 354324, 354330, G03D 306

Patent

active

048901318

ABSTRACT:
An automatic film processor for processing roll, sheet or disk film houses the film to be developed, which is disposed in a light tight housing, preheats the chemical solutions to the proper temperature and pumps them, in turn, into the reservoir formed by the base of the removable film drum in which the film is positioned and provides rotary and linear agitation for the film. The machine includes a linear selective valve capable of selecting any one of a plurality of chemical solutions for use in developing of the film and carefully purges the system prior to preheating and supplying the next chemical for use in the developing process.

REFERENCES:
patent: 4035818 (1977-07-01), King
patent: 4248514 (1981-02-01), Watkins
patent: 4302092 (1981-11-01), Ashton et al.
patent: 4453817 (1984-06-01), Clark
patent: 4586805 (1986-05-01), Bockemuhl-Simon et al.
patent: 4634251 (1987-01-01), Jonker

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