Film unit containing pack

Details Film unit containing pack Film unit containing pack

1981-04-28

1983-02-08

Gonzales, John

354 86, 354304, G03B 1726, G03B 1752

Patent

active

043726607

ABSTRACT:
A film unit containing pack for use with an instant camera of the type in which a plurality of film units are piled one on another within the pack and the film units, once exposed, are fed between a pair of developing rollers including a master roller and a slave roller. An edge of an outlet in the film pack through which the film units are pulled by the camera has a level difference in a range of -0.15 mm to +0.35 mm with respect to the level of an outer wall of the master roller which is closest to an outer wall of the slave roller. Also, the opening width of the outlet is preferably in a range of substantially 1.2 mm to 1.6 mm. Both ends of the edge of the outlet merge with slopes the gradient of each of which is in a range of substantially 1/25 to 1/12 wherein the degree or amount of contact between the edge and the surfaces of the film unit gradually decreases towards edge portions of the film unit.

REFERENCES:
patent: 3832731 (1974-08-01), Kinsman

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