Pipe stress/strain neutralizer

Details Pipe stress/strain neutralizer Pipe stress/strain neutralizer

1979-01-25

1982-03-02

Callaghan, Thomas F.

Pipe joints or couplings

With fluid pressure seal

285223, 285302, 285370, 285DIG1, 285165, 285166, F16L 2700

Patent

active

043175864

ABSTRACT:
There is provided a pressure-compensating pipe joint which includes sleeve members adapted to be affixed to respective lengths of pipe to be joined, and telescoping means which allows the sleeve members to move axially with respect to each other while maintaining fluid-type communication between them.
A number of piston-type contraction units are located exteriorly of the sleeve members and of the telescoping means, and are connected to link members attached to the sleeve members. By placing the contraction units outside of the general telescoping arrangement of the pipe joint, replacement and repair of these units is a relatively simple matter.

REFERENCES:
patent: 2545701 (1951-03-01), McCausland
patent: 3129960 (1964-04-01), Schrodt
patent: 3458219 (1969-07-01), Wesch
patent: 3889985 (1975-06-01), Gartmann
patent: 3993334 (1976-11-01), Fridman et al.

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