Seal for a joint or juncture – Seal between fixed parts or static contact against... – Contact seal for a pipe – conduit – or cable
Reexamination Certificate
2006-01-25
2008-11-18
Patel, Vishal (Department: 3676)
Seal for a joint or juncture
Seal between fixed parts or static contact against...
Contact seal for a pipe, conduit, or cable
C277S644000, C277S654000
Reexamination Certificate
active
07451989
ABSTRACT:
A seal has first and second spring elements each having first and second surfaces along a bellows cross-section and extending between first and second edges. A spreader is secured to an endplate between the first edges of the first and second elements to capture first edge portions of the first and second elements.
REFERENCES:
patent: 3761102 (1973-09-01), Nicholson
patent: 3975114 (1976-08-01), Kalkbrenner
patent: 4795174 (1989-01-01), Whitlow
patent: 6193240 (2001-02-01), Johnson et al.
patent: 7090224 (2006-08-01), Iguchi et al.
patent: 2006/0255549 (2006-11-01), Amos et al.
patent: 2303888 (1997-03-01), None
Cornett Kenneth W.
Dudzinski Paul A.
More D. Gregory
Stone Stephen S.
Bachman & LaPointe P.C.
Parker-Hannifin Corporation
Patel Vishal
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