US PATENT SUBCLASS 277 / 311-- .~ Flexible ring

US PATENT SUBCLASS 277 / 311
.~ Flexible ring

Current as of: June, 1999
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277 /	HD	SEAL FOR A JOINT OR JUNCTURE

300	DF	PROCESS OF DYNAMIC SEALING {6}
311		.~ Flexible ring

DEFINITION

Classification: 277/311

Flexible ring:

(under subclass 300) Process of dynamic sealing wherein the sealing means is a pliant or resilient annulus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

309, for a process of dynamic sealing employing a peripheral, radially sealing, flexible projection (e.g., lip seal, piston cup, etc.).

310, for a process of dynamic sealing employing a piston ring for an internal combustion engine.

434+, for a piston ring or piston ring expander, or seat therefor.

500+, for a dynamic, circumferential contact seal for other than a piston.