Apparatus and method for aligning webs, such as photographic film or paper, where the trailing edge of an expiring web is spliced to the lead edge of a fresh web. A supporting means having the fresh web thereon in a fixed position is caused to move by sensor means transmitting a signal corresponding...http://www.google.es/patents/US6192955?utm_source=gb-gplus-sharePatente US6192955 - Apparatus and method for aligning webs
