Film processing roller assembly

Details Film processing roller assembly Film processing roller assembly

1984-08-27

1986-02-04

Mathews, A. A.

354 86, G03B 1752, G03D 902

Patent

active

045681678

ABSTRACT:
A film processing roller assembly wherein the gap spacing between the film processing rollers is initially automatically increased to accommodate the insertion of a positive and negative film sheet in superimposed relationship with respect to each other together with a container of processing fluid disposed therebetween into the bite of the rollers. The gap spacing between the processing rollers is thereafter automatically reduced to a select value which may be manually adjusted prior to the processing operation to an optimum value for accommodating a uniform processing fluid spread characteristic. Edge control plates operate to maintain the film processing fluid within the confines of the film sheet during film processing and supplementary drive rollers operate advance the positive and negative film sheets through the selected gap of the processing rollers during the film processing cycle.

REFERENCES:
patent: 2477304 (1949-07-01), Land
patent: 3318221 (1967-05-01), Erikson
patent: 3730065 (1973-05-01), Nesson et al.
patent: 3739701 (1973-06-01), Erlichman
patent: 3745904 (1973-07-01), Bing et al.
patent: 3777647 (1973-12-01), Land
patent: 3854812 (1974-12-01), Sorli
patent: 3882518 (1975-05-01), Douglas
patent: 3999202 (1976-12-01), Goto
patent: 4360260 (1982-11-01), Eloranta et al.

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