Method for manufacturing a printing master using thermosensitive stencil paper
Patent 5415090 Issued on May 16, 1995. Estimated Expiration Date: 
December 17, 2013. 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.
December 17, 2013. 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 ReferencesEdge type thermal printhead Thermal recording apparatus and print head Thermosensitive stencil paper Thermosensitive stencil paper Thermal plate making apparatus Thermosensitive stencil paper Patent #: 5219637 InventorsAssigneeApplicationNo. 168228 filed on 12/17/1993US Classes:101/128.21, Laminated and/or plural sheets and/or coated base and manufacture347/206, Heating resistive elements400/120.01ThermalExaminersPrimary: Burr, Edgar S.Assistant: Funk, Stephen R. Attorney, Agent or FirmForeign Patent References
International ClassesB41C 001/055B41C 001/14 Foreign Application Priority Data1992-12-17 JPAbstractA method of manufacturing a printing master by forming perforations in a thermosensitive stencil paper. Thermal energy is applied by a thermal head to the stencil paper, the other side of the paper being free from contact with any other element at a location opposite the thermal head while thermal energy is applied. | |
