Packing for telescopically locked pipe joints

Details Packing for telescopically locked pipe joints Packing for telescopically locked pipe joints

1988-10-03

1989-07-18

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285374, F16L 1700

Patent

active

048488054

ABSTRACT:
An elastomer packing 2 for male/female pipe joints is fitted with peripherally distributed, inserted or embedded locking elements E having a "seven" or T shape. The insertion of the male pipe into the female socket compresses the packing to establish a seal, and rotates the locking elements inwardly. Any withdrawal movements of the male pipe are halted by the counterrotation of the locking elements, whose beveled inner edges bite into the male pipe surface in a wedge like manner.

REFERENCES:
patent: 2201372 (1940-05-01), Miller
patent: 2491004 (1949-12-01), Graham
patent: 3582112 (1971-06-01), Pilo
patent: 3877733 (1975-04-01), Straub
patent: 3963298 (1976-06-01), Seiler

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