Film unit light shielding adapter for photographic apparatus

Details Film unit light shielding adapter for photographic apparatus Film unit light shielding adapter for photographic apparatus

1975-09-10

1977-06-28

Griffin, Donald A.

354277, G03B 1750, G03B 1726

Patent

active

040329372

ABSTRACT:
A thin dark chamber or light shielding adapter that is configured to be slidably inserted through a narrow film exit slot in a self-developing camera for receiving and light shielding self-developing film units of the type requiring a short imbibition period in a light-free environment subsequent to the distribution of a processing composition between predetermined layers of the film unit.

REFERENCES:
patent: 917136 (1909-04-01), Robertson
patent: 985581 (1911-02-01), Goddard
patent: 1113568 (1914-10-01), Mandel
patent: 2451820 (1948-10-01), Garrett
patent: 2467320 (1949-04-01), Land
patent: 2572357 (1951-10-01), Land
patent: 2648265 (1953-08-01), Candela
patent: 2873658 (1959-02-01), Land
patent: 3650188 (1972-03-01), Whall
patent: 3748990 (1973-07-01), Erlichman
patent: 3810211 (1974-05-01), Wareham et al.

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