Arrangement for the reading of photocell markings on a material web provided with decoration
Patent 4081944 Issued on April 4, 1978. Estimated Expiration Date: 
April 4, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 4, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2977730 3629987 3788028 Severing of sections of a printed packaging strip Method and apparatus for registration of web material in forming filling and sealing industrial bags Patent #: 4009551 InventorAssigneeApplicationNo. 747097 filed on 12/03/1976US Classes:53/51, REGISTER CONTROL226/2, Involving registration of material226/28Of continuously moving materialExaminersPrimary: Spruill, Robert L.Attorney, Agent or FirmInternational ClassB65B 041/18Foreign Application Priority Data1975-12-19 SWAbstractAn apparatus for reading photocell markings applied at equal intervals on the decorated side of a material web run through a packing machine for the continuous manufacture of separatable packages provided with transverse crease lines in which a cylindrical monitoring element which contacts and is rotated by the crease lines functions to periodically actuate an electrical switch which in turn activates a photocell located close to the web when a photocell marking is calculated to pass. | |
