Fluid operated pinch valve
Patent 4108418 Issued on August 22, 1978. Estimated Expiration Date: 
January 19, 1997. 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.
January 19, 1997. 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 1024876 1024877 2898088 2972464 2995335 3285563 3441245 3574310 InventorsAssigneeApplicationNo. 05/760816 filed on 01/19/1977US Classes:251/5, Fluid pressure actuated137/375JacketedExaminersPrimary: Schwadron, Martin P.Assistant: Gerard, Richard Attorney, Agent or FirmInternational ClassesF16K 7/07 (20060101)F16K 7/00 (20060101) AbstractA fluid operated pinch valve comprises a flexible sleeve fixed at its ends within a valve casing that has a laterally facing opening through which the sleeve may be inserted and replaced without removing the valve casing from the flow line. A casing cover section has a planar sealing face that bridges the opening for sealing engagement with the main casing section, and which also seals against linear sealing flanges on ends of the flexible sleeve. | |
