Sheet film package

Details Sheet film package Sheet film package

1996-11-19

1997-08-19

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Structurally defined

396511, 396512, 396517, 396518, 396527, 396528, G03C 300, C03D 1310, C03D 1314, C03D 1308

Patent

active

056587163

ABSTRACT:
A sheet film package contains a sheet film unit in a light-shielding envelope with an open end through which the sheet film unit is movable into and out of the light-shielding envelope. The light-shielding envelope is formed by folding a sheet of light-tight material in half to provide a folded side, and securely sealing joints of the folded sheet along a side opposite side to the folded side as well as an end opposite to the open end, wherein a middle portion of the folded side has a larger folding angle compared with end portions thereof.

REFERENCES:
patent: 4370407 (1983-01-01), Columbus
patent: 4725865 (1988-02-01), Hoffman
patent: 4821054 (1989-04-01), Armbuster et al.
patent: 5223381 (1993-06-01), Hara et al.
patent: 5510869 (1996-04-01), Affolter et al.

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