Pipe joints or couplings – With fluid pressure seal – With expansible chamber means
Patent
1982-05-04
1985-06-25
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
With expansible chamber means
285354, 285388, 285365, 166 70, F16L 1700
Patent
active
045249989
ABSTRACT:
A coupling apparatus is provided for quick coupling of a plug container to a casing collar. A latch collar including pivotally connected arcuate collar portions is provided for engaging a lower end of the casing collar. A threaded adjustment is provided for increasing an initial compression of a seal against the upper end of the casing collar. Hydraulic biasing increases the seal against the upper end of the casing collar. An improved construction of inlet nozzles for the plug container is also disclosed.
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U.S. patent application Ser. No. 296,325 of Stromberg, filed Aug. 26, 1981, entitled Quick Connect Coupler.
Brouchure of Razorback Oil Tools of Carthage, Texas, attached hereto as Exhibit "A", 4 pages.
Callaghan Thomas F.
Duzan James R.
Halliburton Company
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