US PATENT SUBCLASS 277 / 353
.~.~ And circumferential peripheral radially sealing flexible projection (e.g., lip seal, etc.)

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

345  DF  SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10}
346  DF  .~ Diverse and distinct dynamic seals {3}
353.~.~ And circumferential peripheral radially sealing flexible projection (e.g., lip seal, etc.)

DEFINITION

Classification: 277/353

And circumferential peripheral radially sealing flexible projection (e.g., lip seal, etc.):

(under subclass 352) Diverse and distinct dynamic seals and a pliant or resilient extension having a tip for relatively movable contact to an inner or outer perimeter of one of the parts.

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.).

549+, for a dynamic circumferential contact seal for other than a piston having a peripheral radially sealing flexible projection (e.g., lip seal, etc.).