Combination metal gasket and seal structure

Details Combination metal gasket and seal structure Combination metal gasket and seal structure

2005-09-13

2005-09-13

Pickard, Alison (Department: 3676)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for a pipe, conduit, or cable

C277S606000, C277S608000, C277S644000, C285S364000

Reexamination Certificate

active

06942220

ABSTRACT:
The present invention provides a combination metal gasket that is formed by fitting a ring-shaped metal base elastic structure in at least one trough portion of two trough portions of a ring-shaped metal gasket that has an S-shaped longitudinal cross section. The combination metal gasket does not demonstrate the plastic deformation even when a large compressive load is applied and is not likely to be destroyed even when a pressure of a fluid being sealed is high; that is, stable sealing properties are exhibited.

REFERENCES:
patent: 3192690 (1965-07-01), Taylor
patent: 3285632 (1966-11-01), Dunkle
patent: 3797836 (1974-03-01), Halling
patent: 4254839 (1981-03-01), Schpok et al.
patent: 4582330 (1986-04-01), Lew et al.
patent: 5433456 (1995-07-01), Nicholson
patent: 6565097 (2003-05-01), Jinno
patent: 4305974 (1994-05-01), None
patent: 8-145183 (1996-06-01), None
patent: 2002-5290 (2002-01-01), None

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