Metal seal and attachment method for the same and tight-seal...

Details Metal seal and attachment method for the same and tight-seal... Metal seal and attachment method for the same and tight-seal...

2006-02-28

2006-02-28

Pickard, Alison K. (Department: 3673)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for other than internal combustion engine, or...

C277S626000

Reexamination Certificate

active

07004479

ABSTRACT:
A metal seal of ring as a whole disposed between a first contact flat face portion and a second contact flat face portion parallel to each other. This metal seal has a middle base portion, a first contact convex portion, and a second contact convex portion. The first contact convex portion protrudes from an inner side and the second contact convex portion protrudes from an outer side. The metal seal generates torsional elastic deformation around the middle base portion as a center in an attached and compressed state.

REFERENCES:
patent: 3163431 (1964-12-01), Tanner
patent: 3171662 (1965-03-01), Warn et al.
patent: 3602532 (1971-08-01), Ehrenberg
patent: 3754766 (1973-08-01), Asplund
patent: 4289318 (1981-09-01), Cather et al.
patent: 4813692 (1989-03-01), Halling et al.
patent: 5954343 (1999-09-01), Sumida et al.
patent: 6619668 (2003-09-01), Pyre

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