Seal ring

Details Seal ring Seal ring

2005-11-08

2005-11-08

Peavey, Enoch E (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Piston ring or piston ring expander or seat therefor

C277S459000, C277S460000, C277S496000, C277S499000

Reexamination Certificate

active

06962343

ABSTRACT:
A seal ring is provided, which is capable of maintaining a stable sealing performance for a long period, in which a cut portion is provided at one position in a circumferential direction of a seal ring, a convex portion is provided at a first cut end portion, a recess portion is provided at a second cut end portion, and the end portions of a third surface and a sixteenth surface extending in the circumferential direction among the convex portion and recess portion correspond to a portion of a second seal portion for sealing a side wall surface of an annular groove.

REFERENCES:
patent: 5344162 (1994-09-01), Kernon et al.
patent: 5660398 (1997-08-01), Terao et al.
patent: 0550312 (1993-09-01), None
patent: 8-28709 (1996-02-01), None
patent: 8-135797 (1996-05-01), None
patent: 8-159291 (1996-06-01), None

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