Reusable metallic seal using memory metal

Details Reusable metallic seal using memory metal Reusable metallic seal using memory metal

1990-11-16

1993-07-13

Arola, Dave W.

Pipe joints or couplings

Packed

Flanged pipe

285381, 277 26, 277189, 21912172, F16L 1706

Patent

active

052266834

ABSTRACT:
A metallic seal having a continuous annulus of Nitinol that is compressed between two seal faces and conforms to the minute irregularities of the seal faces to prevent leakage of fluid through those irregularities at extreme conditions of temperature, pressure and chemically reactive environments.

REFERENCES:
patent: 3759552 (1973-09-01), Levinsohn et al.
patent: 3938235 (1976-02-01), Wandt, III et al.
patent: 4281841 (1981-08-01), Kim et al.
patent: 4477087 (1984-10-01), Sutter et al.
patent: 4537406 (1985-08-01), Hirasung et al.
patent: 4773680 (1988-09-01), Krumme
patent: 5015820 (1991-05-01), Liou

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