Leak-tight ball-and-socket connecting device transmitting torque

Details Leak-tight ball-and-socket connecting device transmitting torque Leak-tight ball-and-socket connecting device transmitting torque

1975-05-06

1976-06-08

Callaghan, Thomas F.

Pipe joints or couplings

With indicator, alarm or inspection means

285 95, 285267, 285DIG1, F16L 2706

Patent

active

039618153

ABSTRACT:
A leak-tight connecting device for the connection of two pipes comprising a primary ball-and-socket joint traversed by a bore, a secondary connecting support for said ball-and-socket joint, said secondary support comprising first and second outer sealing joints and a common central sealing joint located between said first and second outer sealing joints, each said sealing joint being disposed between said ball and socket joint and said support to define with said support and said ball-and-socket joint two chambers, means for connecting said chambers to a source of an incompressible fluid under pressure, mechanical means externally connecting said ball-and-socket joint and said secondary support, said mechanical means being pivotally coupled to each said joint and said support and operable to transmit torque from one of said joint and support to the other for various relative angular dispositions of said joint and said support and means for biasing at least one of said outer sealing joints bounding said chambers against said ball-and-socket joint.

REFERENCES:
patent: 1681626 (1928-08-01), Russell
patent: 3182452 (1965-05-01), Eldred
patent: 3477748 (1969-11-01), Tinsley
patent: 3523578 (1970-08-01), Nolan, Jr. et al.
patent: 3874706 (1975-04-01), Arnold
patent: 3889985 (1975-06-01), Gartmann

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