Pipe coupling with retrievable setting means

Details Pipe coupling with retrievable setting means Pipe coupling with retrievable setting means

1975-03-13

1976-08-31

Machado, Reinaldo P.

Pipe joints or couplings

With assembly means or feature

285145, 285337, 285348, F16L 3500

Patent

active

039777022

ABSTRACT:
A coupling apparatus for making a coupling to a pipe or the like and which apparatus is provided with detachable and removable setting means in the form of hydraulic cylinders which may be reused to subsequently actuate other couplings. The coupling includes a housing which contains gripping and seal means for gripping and sealing with the pipe to which connection is to be made. Thrust means are provided and interposed between the aforesaid actuation means and the sealing and gripping means for urging the latter to the set position. Means in the form of either a split gripping ring or a plurality of gripping slips which are arranged for engaging the internal surface of the housing and retaining the first mentioned gripping means and seal means in the set position when the actuation means are removed.

REFERENCES:
patent: 1493107 (1924-05-01), Cowen
patent: 2438234 (1948-03-01), Stewart
patent: 3221838 (1965-12-01), Brayton
patent: 3466738 (1969-09-01), Mount
patent: 3645563 (1972-02-01), Rochelle
patent: 3842612 (1974-10-01), Arnold

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