Photographic film-incorporated camera
AssigneeFuji Photo Film Co., Ltd.
InventorFumio Kawamoto
Life of this patent
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Abstract
A photographic film-incorporated camera which comprises a supply room in which an unexposed photographic film drawn from a cylindrical cartridge has been wound up and a wind-up room with which the cylindrical cartridge is enclosed, and which is designed to feed one exposure of the photographic film drawn from the supply room per a shooting to wind up in the cylindrical cartridge. The photographic film comprises a photographic layer on a composite of a support and a subbing layer. The composite is obtained by subjecting the support which comprises an aromatic polyester having a glass transition temperature of 50.degree. to 200.degree. C. to heat treatment at a temperature of 40.degree. C. to the glass transition temperature for 0.1 to 1,500 hours before or after forming the subbing layer on the support.
Claims8
A photographic film-incorporated camera comprising a supply room in which an unexposed photographic film drawn from a cylindrical cartridge has been wound up and a wind-up room with which the cylindrical cartridge is enclosed, one exposure of the photographic film drawn from the supply room being fed per a shooting to be wound up in the cylindrical cartridge;
- in which the photographic film comprises a photographic layer on a composite of a support and a subbing layer, said composite being obtained by subjecting the support which comprises an aromatic polyester having a glass transition temperature of 70.degree. to 200.degree. C. to heat treatment at a temperature of 40.degree. C. to the glass transition temperature for 0.1 to 1,500 hours before or after forming the subbing layer on the support;
- wherein the aromatic polyester is derived from ethylene glycol and 2,6- naphthalenedicarboxylic acid;
- and wherein the photographic film is wound around a spool or vacant core of a diameter of 3 to 12 mm in the supply room.
Dependencies are inferred from the claim text.