Photography – Camera detail – Detachable or removable film holder unit
Patent
1997-11-10
1998-11-03
Mathews, A. A.
Photography
Camera detail
Detachable or removable film holder unit
242348, 2423484, 206407, G03B 1726
Patent
active
058323279
ABSTRACT:
A cassette shell of a photographic film cassette is made up of a first steel material. The first steel material comprises a steel plate. On one face of the steel plate, a black resin layer is formed. On the other face of the steel plate, a print layer and a transparent resin layer are formed. When the cassette shell is formed by using the first steel material, the side of the black resin layer becomes an inner face of the cassette shell and the side of the transparent resin layer becomes an outer face thereof. Moreover, a cap of the photographic film cassette is made up of a second steel material. The second steel material comprises the steel plate. On both sides of the steel plate, the black resin layers are respectively formed.
REFERENCES:
patent: 4024557 (1977-05-01), Aoyama et al.
patent: 5106665 (1992-04-01), Akao et al.
patent: 5369457 (1994-11-01), Tamotsu
Patent Abstracts of Japan, vol. 095, No. 001, Feb. 28, 1995 & JP 06 301158 A(Fuji Photo Film Co., Ltd.) Oct. 28, 1994 *Abstract.
Patent Abstracts of Japan vol. 009, No. 138 (C-286) Jun. 13, 1985 & JP 60 026063 A (Fuji Shashin Film KK; Dainippon Ink & Chem Inc;) Feb. 8, 1985 *Abstract.
Database WPI; Section Ch, Week 9306, Derwent Publications Ltd., London, GB; Class A89, AN 93-048785 XP002058165 & JP 04 372 945 A (Konica Corp) Oct. 25, 1992 *Abstract.
Fuji Photo Film Co. , Ltd.
Mathews A. A.
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