Protective band for photosensitive film on spools

Details Protective band for photosensitive film on spools Protective band for photosensitive film on spools

B - Operations, Transporting

65

D

242/57.1

B65D 85/67 (2006.01) G03C 3/00 (2006.01)

Patent

CA 1144132

PROTECTIVE BAND FOR P PHOTOSENSITIVE FILM ON SPOOLS Abstract of the Disclosure Photosensitive film carried on spools is ordinarily protected from ambient light by opaque covering strips which must be manually removed. Removal of these strips often causes some exposure and wastage of the film. The present invention discloses a protective band which removes itself when the film is fed out under tension.

368616

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