A cartridge positioning and holding mechanism has a fixed guide for positioning a single-open-ended cartridge when the single-open-ended cartridge is inserted in an axial direction thereof with a cap positioned ahead, and a movable chuck openable and closable for forming and holding the single-open-ended...http://www.google.es/patents/US6694607?utm_source=gb-gplus-sharePatente US6694607 - Method of and apparatus for manufacturing film cartridge
Method of and apparatus for manufacturing film cartridge