Filter lip seal and method

Details Filter lip seal and method Filter lip seal and method

2005-07-01

2008-12-30

Engle, Patricia L (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...

C277S637000

Reexamination Certificate

active

07469906

ABSTRACT:
A lip seal has an internal spring element disposed in an elastomeric ring. The spring element has a central ring with inwardly directed angled fingers

REFERENCES:
patent: 1969008 (1934-08-01), Hubbard
patent: 2797944 (1957-07-01), Riesing
patent: 3445120 (1969-05-01), Barr
patent: 4120521 (1978-10-01), Parmann
patent: 4322175 (1982-03-01), Szczesny
patent: 4387900 (1983-06-01), Ditcher et al.
patent: 4614371 (1986-09-01), Bauder
patent: 6406029 (2002-06-01), Kupper et al.

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