Title:
LIGHT SHIELDING BAG FOR PHOTOGRAPHIC SENSITIVE MATERIAL AND PACKAGE USING THE SAME
Document Type and Number:
Japanese Patent JP3269866
Kind Code:
B2
Abstract:
PURPOSE: To prevent the package of a photographic sensitive material from being collapsed even if the packages of the material are piled up.
CONSTITUTION: This package is formed with the two-layer coextruded film IIa consisting of an innermost layer 1a contg. a light shielding substance and an outermost layer 2a contg. a light shielding substance. The slip angle is preferably controlled to ≥35°, more preferably to ≥45° and most preferably to ≥50°. The outermost layer 2a is also formed with a thermoplastic resin, and the slip angle is preferably controlled to ≤30°, more preferably to ≤25° and most preferably to ≤20°.
Inventors:
Mutsuo Akao
Saji Inoue
Saji Inoue
Application Number:
JP28207392A
Publication Date:
April 02, 2002
Filing Date:
October 20, 1992
Export Citation:
Assignee:
Fuji Photo Film Co., Ltd.
International Classes:
B32B27/18; B32B27/32; B65D65/00; B65D65/16; B65D81/30; G03C3/00; (IPC1-7): G03C3/00; B32B27/18; B32B27/32; B65D65/00; B65D65/16; B65D81/30; G03C3/00
Domestic Patent References:
| JP3134657A | ||||
| JP2259639A | ||||
| JP3160435A | ||||
| JP4121733A | ||||
| JP4157458A | ||||
| JP3505263A |
Attorney, Agent or Firm:
Masahiro Tanaka
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