Wet processing arrangement and method for photographic reversal

Details Wet processing arrangement and method for photographic reversal Wet processing arrangement and method for photographic reversal

1989-08-11

1991-02-19

Mathews, A. A.

354322, G03D 1100, G03D 308

Patent

active

049948385

ABSTRACT:
An arrangement for wet processing running lengths of exposed photographic reversal film has a pair of rinsing tanks downstream of a developing tank in which the film undergoes an initial development. The film consecutively advances through the two rinsing tanks. A liquidtight container is mounted on the inner surface of the second rinsing tank adjacent to the path of the film and spans the width of such path. At least a portion of the container is disposed below the level of the bath in the second rinsing tank and this portion of the container is provided with a window which is transparent to light and extends across the width of the path followed by the film. A light source is arranged in the container behind the window. The film travels by the window with the emulsion facing the latter and is subjected to an additional exposure as it traverses the window.

REFERENCES:
patent: 1762936 (1930-06-01), Seymour
patent: 3119319 (1964-01-01), Debrie
patent: 3511160 (1970-05-01), Van Reusel
patent: 3672290 (1972-06-01), Duesler
patent: 4806962 (1989-02-01), Uchida et al.
patent: 4837593 (1989-06-01), Hehn

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