Seal for a joint or juncture – Seal combined with indicator – sampler – or inspection feature – Wear – proper seating – or presence
Patent
1996-10-30
1999-05-11
Knight, Anthony
Seal for a joint or juncture
Seal combined with indicator, sampler, or inspection feature
Wear, proper seating, or presence
277435, 277443, 277460, F16J9/12;9/20
Patent
active
059019638
ABSTRACT:
A piston ring having a keystone shape and an orientation feature on one of its surfaces for ensuring proper orientation of the ring during installation. The piston ring preferably has an outer peripheral surface that includes a sealing land with a nitride hardened surface to resist wear during the service life of the piston ring. A tapered surface is also provided on the outer peripheral surface adjacent to the sealing land.
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Hite Russell E.
Lahrman John C.
Rita Hugo A.
Beres John L.
Dana Corporation
Knight Anthony
LandOfFree
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