A photographic film curling correcting method and apparatus for correcting curling of a photographic film generated when the photographic film is stored for a long time in a cartridge in a state in which the photographic film is taken up around a spool shaft in a form of a roll, comprising the steps...http://www.google.de/patents/US5325144?utm_source=gb-gplus-sharePatent US5325144 - Photographic film curling correcting method and apparatus
