Method and apparatus for opening a film cartridge

Details Method and apparatus for opening a film cartridge Method and apparatus for opening a film cartridge

1978-09-25

1980-06-17

Griffin, Donald A.

294264, B23P 1904, G03B 1726

Patent

active

042081165

ABSTRACT:
A film cartridge for enclosing a photosensitive film disk within a light-tight chamber defined by opposed walls which are sealed together to encapsulate the film disk. When the cartridge is positioned in opening apparatus, force-applying members inserted through passages in one of the walls of the cartridge are moved into contact with the opposed wall. Continued movement of the members displaces the opposed wall sufficiently to rupture it and/or a seal joining the walls. A wall-separating member of the opening apparatus is inserted into the rupture and moved between the opposed walls to extend the rupture and space the walls by a distance sufficient to permit the film disk to be removed from the cartridge.

REFERENCES:
patent: 2900514 (1959-08-01), Boucher
patent: 3470642 (1969-10-01), Mundt et al.
patent: 3511990 (1970-05-01), Hauss
patent: 3579801 (1971-05-01), Ishihara
patent: 3910692 (1975-10-01), Scibilia
patent: 4134144 (1979-01-01), Ragle et al.
patent: 4152739 (1979-05-01), DeMoss et al.

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