Pipe restraining collar member having protrusions of different sizes
Patent 5209524 Issued on May 11, 1993. Estimated Expiration Date: 
November 6, 2011. 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.
November 6, 2011. 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 640183 659888 2371971 3249371 3252192 3432190 3817561 Hydraulic hose and coupling assembly Coupling for non-metallic hose Adapter flange InventorsApplicationNo. 788455 filed on 11/06/1991US Classes:285/114, WITH STRAIN RELIEF285/259, Particular surface285/368, Axially bolted285/415Split ringExaminersPrimary: Nicholson, Eric K.Attorney, Agent or FirmForeign Patent References
International ClassF16L 013/04AbstractA pipe coupling member comprising a collar member, flanges disposed on the collar member for connecting the collar member a support member, the collar member and the support member being adapted cooperatively to substantially encircle a first pipe member, lugs disposed on the collar member for connecting the collar member to a collar assembly substantially encircling a second pipe member, and elongated protrusions extending inwardly from an inside surface of the collar member and adapted to engage an external surface of the first pipe member. | |
