Resin-molded valve and method of making the same
Patent 4553562 Issued on November 19, 1985. Estimated Expiration Date: 
October 25, 2003. 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.
October 25, 2003. 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 3550902 Molded valve Butterfly valve Rotary ball valve having seating rings Plastic valve assembly Patent #: 4348006 InventorAssigneeApplicationNo. 06/545403 filed on 10/25/1983US Classes:137/375, Jacketed251/315.05, Nonmetallic251/315.14, Head removable along one side of flow passage251/366BodiesExaminersPrimary: Schwadron, Martin P.Assistant: Shay, James R. Attorney, Agent or FirmInternational ClassesB29C 45/14 (20060101)F16K 27/06 (20060101) F16K 5/06 (20060101) Foreign Application Priority Data1983-05-04 JPAbstractA valve molded entirely of resin includes a valve body having an inner housing, a housing cap fitted in the inner housing, a valve element such as a ball, and a stem coupled to the valve element and actuatable to move the latter for providing selective communication between ports in the inner housing and the housing cap. The valve body is covered with a frame molded of resin and substantially covering the exterior surface of the valve body. | |
