Problem-cartridge film processing method

Details Problem-cartridge film processing method Problem-cartridge film processing method

1984-06-22

1985-12-10

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354313, 354319, B65H 1720

Patent

active

045574251

ABSTRACT:
A method for processing film cartridges, especially for processing cartridges for which it is not possible to extract the leader of the film from the cartridge by an ordinary automatic method. The spool of the cartridge is first turned in the forward direction so as to attempt to extract the leader from the cartridge. If the leader has not been extracted within a designated period of time, the spool of the cartridge is rotated in the rewinding direction and a retaining clip is placed around the cartridge. The cartridge is then dropped into a troubled-cartridge collecting box having an identification number corresponding to the cartridge and to its respective development/processing envelope.

REFERENCES:
patent: 2928538 (1960-03-01), Mills
patent: 4094726 (1978-06-01), Hujer et al.
patent: 4231478 (1980-11-01), Stone
patent: 4283021 (1981-08-01), Nishida

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