Device for processing a photographic film

Details Device for processing a photographic film Device for processing a photographic film

1980-11-26

1981-12-01

Hix, L. T.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

134 69P, 15100, G03D 500

Patent

active

043033300

ABSTRACT:
A device for processing a photographic film through a moistening chamber and a drying chamber has a transition zone where a pair of counterpositioned squeegee rollers is located, of which the upper roller contacts an emulsion carrying surface of the film and the lower roller engages the back surface of the film. The film is advanced to the transition zone from the moistening chamber by a pair of transporting rollers rotated with a predetermined speed. The lower squeegee roller is rotated with a speed exceeding the speed of rotation of the transporting rollers so that a predetermined tension is applied only to the back side of the film to avoid a potential damage to the emulsion carrying surface of the film.

REFERENCES:
patent: 3610131 (1971-10-01), Frick et al.
patent: 3616742 (1971-11-01), Boyle et al.
patent: 4023190 (1977-05-01), Fassler
patent: 4142194 (1979-02-01), Hamlin
patent: 4187023 (1980-02-01), Schausberger et al.

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