Flanged repair coupling for pipeline service

Details Flanged repair coupling for pipeline service Flanged repair coupling for pipeline service

1990-07-27

1991-10-15

Arola, Dave W.

Pipe joints or couplings

Repair

285147, 285323, 285363, F16L 5518

Patent

active

050568302

ABSTRACT:
A flanged coupling for the repair of pipe lines which is engagable over an open pipe. A piston is actuated by drawing two flanges together and setting a slip and a packing to anchor and seal the coupling unit to the pipe. Tension and compression in the pipe does not affect the packing as a ring is positioned between the slip and the packing and its movement towards the packing is limited.

REFERENCES:
patent: 2624413 (1953-01-01), Mueller et al.
patent: 3822075 (1989-04-01), Reaux
patent: 4290632 (1981-09-01), Manchester et al.
patent: 4330143 (1982-05-01), Reneau

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