Metal seal for a tubular connection

Details Metal seal for a tubular connection Metal seal for a tubular connection

1985-08-26

1987-02-10

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

166 84, 277152, 277212C, 277236, 285917, E21B 3303, F16J 1500, F16J 1532

Patent

active

046418415

ABSTRACT:
A metal seal for sealing the male end of a tube into the female end of another tube, particularly in a subsea well installation. An annular metal lip is located on the exterior of the male end of the tube. The lip has a free end with a radially protruding metal band. The band has an outer diameter greater than the inner diameter of the female tube bore, providing an interference fit. An annular recess is located inward from the lip, allowing the lip to deflect and exposing the inner portions of the lip to pressure in the bore to act outwardly on the lip.

REFERENCES:
patent: 1020836 (1912-03-01), Moore
patent: 1224999 (1917-05-01), Barthel
patent: 2405152 (1946-08-01), Kilchenmann
patent: 3159302 (1964-12-01), Latham et al.
patent: 3422902 (1969-01-01), Bouchillon
patent: 4315543 (1982-02-01), Luers
patent: 4333526 (1982-06-01), Watkins
patent: 4353560 (1982-10-01), Tohill
patent: 4473230 (1984-09-01), Adamek
patent: 4476934 (1984-10-01), Regan

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