Seal ring

Details Seal ring Seal ring

2008-03-11

2008-03-11

Engle, Patricia (Department: 3673)

Seal for a joint or juncture

Seal between relatively movable parts

Piston ring or piston ring expander or seat therefor

Reexamination Certificate

active

07341256

ABSTRACT:
A seal ring which maintains a stable sealing performance over a long term is provided. In a first seal portion, linear contact portions which come into linear contact with the sidewall surface of an annular groove on the unsealed fluid side are continuously extended over the whole circumference of the seal ring from one side of a separation portion to the other side thereof, and the linear contact part provided at the convex part of the separation portion, and the linear contact part provided at the concave part of the separation portion are located at a distance in the radial direction of the seal ring.

REFERENCES:
patent: 210848 (1878-12-01), Gingras
patent: 615902 (1898-12-01), Raworth
patent: 1285780 (1918-11-01), Moratta
patent: 1475723 (1923-11-01), Rosenberg
patent: 1489464 (1924-04-01), Small
patent: 1532547 (1925-04-01), Pruyn
patent: 1535552 (1925-04-01), Small
patent: 1544180 (1925-06-01), Reiter
patent: 1589482 (1926-06-01), Penberthy
patent: 2080935 (1937-05-01), Slyk
patent: 2670257 (1954-02-01), Bergeron
patent: 3784215 (1974-01-01), Ruthenberg
patent: 4361337 (1982-11-01), Montes
patent: 4438935 (1984-03-01), Lees
patent: 4533149 (1985-08-01), Vater et al.
patent: 4844487 (1989-07-01), Eakin
patent: 5002290 (1991-03-01), Pernin
patent: 5713578 (1998-02-01), Terao et al.
patent: 5934680 (1999-08-01), Kakehi et al.
patent: 6386548 (2002-05-01), Grimanis et al.
patent: 6685193 (2004-02-01), Roberts et al.
patent: 2003/0102633 (2003-06-01), Abiko
patent: 58-127255 (1983-08-01), None
patent: 08-014396 (1996-01-01), None
patent: 08-028709 (1996-02-01), None
patent: 08-159290 (1996-06-01), None
patent: 08-159291 (1996-06-01), None
patent: 09-317886 (1997-12-01), None
patent: 10-169782 (1998-06-01), None
patent: 2001-165322 (2001-06-01), None
patent: WO0184024 (2001-08-01), None
patent: WO01/84024 (2001-11-01), None

Affiliated with

Also associated with

Rating

Seal ring does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Seal ring, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Seal ring will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2792054