Shaft seal having independent sealing lips

Details Shaft seal having independent sealing lips Shaft seal having independent sealing lips

2005-06-15

2008-12-16

Patel, Vishal (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

Reexamination Certificate

active

07464942

ABSTRACT:
A shaft seal includes a rigid annular casing to which a body of elastomeric seal material is molded. At least one elastomeric seal lip is formed of the elastomeric material. A PTFE element is bonded to the elastomer material and is formed with an undercut overlying the PTFE element to provide a flex hinge to the PTFE element that is isolated and independent from a hinge of the elastomeric seal lip.

REFERENCES:
patent: 3827703 (1974-08-01), Brink
patent: 3913924 (1975-10-01), Barefoot et al.
patent: 4053166 (1977-10-01), Domkowski
patent: 4243232 (1981-01-01), Repella
patent: 4258927 (1981-03-01), Cather, Jr.
patent: 5129744 (1992-07-01), Otto et al.
patent: 5522600 (1996-06-01), Duckwall
patent: 5649709 (1997-07-01), Munekata et al.
patent: 5713577 (1998-02-01), Lannert et al.
patent: 5874170 (1999-02-01), Heine et al.
patent: 6186507 (2001-02-01), Oldenburg
patent: 6428013 (2002-08-01), Johnston et al.
patent: 6474653 (2002-11-01), Hintenlang et al.
patent: 6601855 (2003-08-01), Clark
patent: 6620361 (2003-09-01), Longtin et al.
patent: 6692007 (2004-02-01), Oldenburg
patent: 6814668 (2004-11-01), Grupido
patent: 6988733 (2006-01-01), Hatch
patent: 2003/0168814 (2003-09-01), Struyven et al.
patent: 2004/0119241 (2004-06-01), Castleman
patent: 2 580 767 (1985-04-01), None

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