Patent
1980-12-15
1981-12-29
Hix, L. T.
354313, 354318, G03D 506
Patent
active
043079555
ABSTRACT:
Apparatus including a housing and a disposable film processing kit for processing an exposed roll of instant or self-developing type transparency film. The kit includes a roller supporting a coiled length of sheet material, a drum having one end of the sheet material attached thereto, and a processing composition dispenser located therebetween. The kit is adapted to be inserted into the housing, and an end of an exposed strip of film is threaded across a sprocket wheel and directed towards the drum. The sprocket wheel and the drum are driven in a direction so as to wind the film and sheet material upon the drum with a layer of the processing composition located therebetween. The drum is provided with a single resiliently mounted projection which is adapted to enter a sprocket hole in the film to facilitate the movement of the end of the film to a position between the spreader sheet and the drum.
REFERENCES:
patent: 2848931 (1958-08-01), Troidl
patent: 2880657 (1959-04-01), Bartlett
patent: 3563486 (1971-02-01), Mortsel et al.
patent: 3640204 (1972-02-01), Gordon
patent: 3667361 (1972-06-01), Meggs et al.
patent: 3680462 (1972-08-01), Cronig
patent: 4167318 (1979-09-01), Wareham
patent: 4200383 (1980-04-01), Bendoni et al.
Research Disclosure Apr., 1980 pp. 132-134.
Cocco Vincent L.
Wareham Richard R.
Corrigan Alfred E.
Hix L. T,.
Mathews Alan
Polaroid Corporation
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