Packaging material for photosensitive materials comprising polyolefin layers
AssigneeFuji Photo Film Co., Ltd.
InventorsMutsuo Akao, Kenzo Kashiwagi, Koji Inoue
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Abstract
A packaging material for photosensitive materials comprising a laminate of two or more high-density polyethylene films incorporating carbon black, the films being uniaxially stretched at a draw ratio in the range of from about 2.2 to 4.2 and the stretching axis of one film forming an angle of from about 45 to 90 degrees with those of the film(s) nearest it.
Claims14
A high density polyethylene film laminate comprising at least two high density polyethylene films uniaxially stretched at a draw ratio of about 2.2 to 4.2, said films being oriented such that the stretching axis of one film forms an angle of about 45.degree. to 90.degree. with those of the film(s) nearest it and at least one of said films containing a light-screening pigment.
Dependencies are inferred from the claim text.