Photographic film unit with integral structure

Details Photographic film unit with integral structure Photographic film unit with integral structure

1979-10-01

1980-12-30

Dixon, Jr., William R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Structurally defined

430207, 430209, G03C 148

Patent

active

042424437

ABSTRACT:
The invention relates to a photographic film unit with a picture sheet and a covering sheet which are joined together by means of an interposed mask, and a container for photographic developer material is located at the front end and a trap for collecting excess developer material is located at the rear end of the picture unit and whereby air guiding channels connect the trap compartment with the container compartment to conduct the surplus air or also developer past towards the empty developer container.

REFERENCES:
patent: Re27795 (1973-10-01), Chen
patent: 3619193 (1968-12-01), Knight
patent: 3652281 (1972-03-01), Bachelder et al.
patent: 3652282 (1972-03-01), Land
patent: 3689269 (1972-09-01), Schieven
patent: 3741766 (1973-06-01), LaMonaca
patent: 3816128 (1974-06-01), Chen
patent: 4042396 (1977-08-01), Sylvester

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