Film leader

Details Film leader Film leader

1998-12-11

2000-04-04

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Structurally defined

430496, 2423484, 2063161, 206395, 206410, G03C 300, G03C 302

Patent

active

060459824

ABSTRACT:
A film leader comprising a main leader portion having a pair of parallel straight edges between which the main leader portion has a constant width, an extreme end portion extending from the main leader portion and having a pair of longitudinal edges between which the extreme end portion only has a width that is smaller than the width of the main leader portion; and a weakened fold-line, is characterized in that the weakened fold-line completely divides the main leader portion and the extreme end portion and is uniformly inclined from one of the parallel straight edges of the main leader portion to the other parallel straight edge of the main leader portion to thus form a forward-most inclined straight edge of the main leader portion when the extreme end portion is folded totally onto the main leader portion along the fold-line.

REFERENCES:
patent: 1332890 (1920-03-01), Fallesen et al.
patent: 1441146 (1923-01-01), Eastman
patent: 1991442 (1935-02-01), Barenyi
patent: 5205506 (1993-04-01), Mizuno et al.
patent: 5286614 (1994-02-01), Ishizaki et al.

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