Combined metal and elastomer seal

Details Combined metal and elastomer seal Combined metal and elastomer seal

1982-09-17

1985-06-04

Arola, Dave W.

Pipe joints or couplings

Pipe to discreet nipple or sleeve to plate

Expandable detent engages plate to hold nipple

285338, 285351, 166 88, 277 95, F16L 2104

Patent

active

045210403

ABSTRACT:
A seal and seal assembly for sealing the annular space (14) between casing hanger bodies. An elastomeric seal ring (22) is interposed between metallic seal rings (20,24) having lips (36,38,40,42). The elastomeric ring is thicker (48) than the metal rings. The lips are of specific configuration, and the seat is supported (28) to permit downward movement of the upper seal ring (20) after compression setting.

REFERENCES:
patent: 1993307 (1935-03-01), Nicholson
patent: 3045830 (1962-07-01), Fulton
patent: 3460615 (1969-08-01), Watkins
patent: 3492026 (1970-01-01), Ahlstone
patent: 3653671 (1972-04-01), Shipes
patent: 3688841 (1972-09-01), Baugh
patent: 3797864 (1974-03-01), Hynes et al.
patent: 3871449 (1975-03-01), Ahlstone
patent: 4324422 (1982-04-01), Rains et al.

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