Film pack with means for urging positive and negative sheets tog

Details Film pack with means for urging positive and negative sheets tog Film pack with means for urging positive and negative sheets tog

1974-11-12

1978-11-21

Schilling, Richard L.

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96201, 96 76C, 354178, 354179, 354304, G03C 148, G03B 1910, G03D 902

Patent

active

041264657

ABSTRACT:
Means are provided in a photographic film pack for urging the superposed sheet elements of a diffusion transfer film unit together during the withdrawal of said film unit from its container. Said means are useful for eliminating white specks in the resultant positive transfer print.

REFERENCES:
patent: 3479184 (1969-11-01), Land et al.

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