Threaded pipe connection with compressible seal ring

Details Threaded pipe connection with compressible seal ring Threaded pipe connection with compressible seal ring

1986-02-10

1987-11-03

Scanlan, Jr., Richard J.

Pipe joints or couplings

Particular interface

Tapered

285334, 285355, F16L 2500

Patent

active

047039590

ABSTRACT:
A threaded pipe connection is disclosed that has threads the flanks, roots, and crests thereof form thread seals when the connection is made up and that has a seal ring of resilient material that is trapped in a cavity between a groove in either the box or the pin and the thread seals to provide a secondary seal.

REFERENCES:
patent: Re30647 (1981-06-01), Blose
patent: 2177100 (1939-10-01), Frame
patent: 2179202 (1939-11-01), Simpson
patent: 2380690 (1945-07-01), Graham
patent: 2474556 (1949-06-01), Stone
patent: 2907589 (1959-10-01), Knox
patent: 2980451 (1961-04-01), Taylor et al.
patent: 3047316 (1962-07-01), Wehring et al.
patent: 3158390 (1964-11-01), Woodling
patent: 4192533 (1980-03-01), Blose
patent: 4433862 (1984-02-01), Raulins et al.
patent: 4458925 (1984-07-01), Raulins et al.
patent: 4489963 (1984-12-01), Raulins et al.
patent: 4496175 (1985-01-01), Morris

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