Seal for threaded pipe connection

Details Seal for threaded pipe connection Seal for threaded pipe connection

1985-10-15

1987-06-09

Scanlan, Jr., Richard J.

Pipe joints or couplings

Particular interface

Tapered

2853322, 285355, 285351, F16L 2500

Patent

active

046715444

ABSTRACT:
A threaded pipe connection is disclosed having tapered sealing surfaces between the ends of the threads on the box and pin that engage and a resilient seal member located in a groove about midway between the ends of one of the surfaces to form a seal with the other surface when the joint is made up with the two surfaces forming independent metal-to-metal seals on both sides of the resilient seal member.

REFERENCES:
patent: Re30647 (1981-06-01), Blose
patent: 2907589 (1959-10-01), Knox
patent: 2980451 (1961-04-01), Taylor et al.
patent: 3047316 (1962-07-01), Wehring et al.
patent: 3989284 (1976-11-01), Blose
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
patent: 4537429 (1985-08-01), Landriault
patent: 4577895 (1986-03-01), Castille

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