Core for photographic light-sensitive material

Details Core for photographic light-sensitive material Core for photographic light-sensitive material

1992-08-11

1994-06-28

Sluby, P. C.

Stock material or miscellaneous articles

Compacted trash or refuse bundle

428218, 428220, 428535, 430 49, 430 96, B65H 7510, G03C 300

Patent

active

053245547

ABSTRACT:
A core for photographic light-sensitive material use made of wooden source material which can be recycled or decomposed in natural environment is disclosed. The core center is made of paper covered with a buffer layer made of 100% wooden pulp having a density of not more than 0.1 g/cm.sup.3. The buffer layer is covered with a reinforcing sheet made of paper with a tensile strength of 0.3 kg/15 mm width or more.

REFERENCES:
Patent Abstracts of Japan, vol. 14, No. 340 (P-1080) Jul. 23, 1990, JP-A-21 16 882, Fuji Photo Film Company, May 1, 1990.

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