Processing apparatus for self-developing type roll film

Details Processing apparatus for self-developing type roll film Processing apparatus for self-developing type roll film

1980-04-03

1981-06-09

Hix, L. T.

354304, G03D 502

Patent

active

042721784

ABSTRACT:
Apparatus for processing individual rolls of an exposed composite self-developing type transparency film structure. The composite film structure includes first and second sheets which are adapted to be located in superposed relation prior to having a processing liquid spread therebetween to initiate the formation of a visible image within the composite structure. The apparatus includes a first pair of rollers for withdrawing the first sheet and a portion of the second sheet from a film cassette, and a second pair of rollers which are adapted to advance the first and second sheets, in superposition, into a dark chamber while simultaneously spreading a processing liquid between and in contact with the sheets so as to initiate formation of the visible image in the composite film structure.

REFERENCES:
patent: 3270642 (1963-09-01), Nerwin
patent: 3405618 (1968-10-01), Land et al.
patent: 4145133 (1979-03-01), Wareham
patent: 4200383 (1980-04-01), Bendoni
patent: 4212527 (1980-07-01), Fisher

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