Process of making resin-impregnated material webs
Patent 5330595 Issued on July 19, 1994. Estimated Expiration Date: 
September 3, 2012. 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.
September 3, 2012. 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 ReferencesProcess for the continuous manufacture of sheeting from thermoplastic synthetic resins Process for continuous production of termoplastic webs Patent #: 4844766 InventorApplicationNo. 940122 filed on 09/03/1992US Classes:156/64, With measuring, testing, or inspecting156/244.27, Pressure assisted bonding156/309.9, With heating of lamina prior to assembly156/322, Heating lamina prior to assembly or adhesive applying156/324, Running or continuous webs of indefinite length264/40.4, Measuring a weight or volume (e.g., level-responsive, etc.)264/211.12, Processing or treatment after extrusion264/411Measuring weight or volume (e.g., level-responsive, etc.)ExaminersPrimary: Tentoni, Leo B.Attorney, Agent or FirmForeign Patent References
International ClassesB29C 047/06B29C 047/34 B29C 047/92 B32B 031/30 Foreign Application Priority Data1991-09-03 DEAbstractThe invention is directed to an apparatus and process for the continuous fabrication of resin impregnated material webs in which low-solvent resin is extruded to form a film which is joined with the material web to form a layer formation, or the resin is spread on the material web. The layer formation is subsequently subjected to an area pressure. The apparatus including an extruder or a spreading device, and a continuously operating double band press exerting an area pressure.Other References
Field of SearchMeasuring a weight or volume (e.g., level-responsive, etc.)Controlling rate of movement of molding material or its support in a continuous process Processing or treatment after extrusion Cooling Control means responsive to product weight or dimension Cooperating endless belts With measuring, testing, or inspecting Pressure assisted bonding With heating of lamina prior to assembly Heating lamina prior to assembly or adhesive applying Running or continuous webs of indefinite length Progressive continuous bonding press (e.g., roll couples) With endless belt Co-acting presser roll With intermediate backup device Heating and cooling of the same material WITH IMPELLER OR CONVEYOR MOVING EXCHANGE MATERIAL | |
