US PATENT SUBCLASS 277 / 527
.~.~.~ Wear sleeve

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}
500  DF  .~ Circumferential contact seal for other than piston {13}
510  DF  .~.~ Contained or compressed by gland member in packing box {10}
527.~.~.~ Wear sleeve

DEFINITION

Classification: 277/527

Wear sleeve:

(under subclass 510) Seal for the gland and packing box including a tubular member mounted on one of the relatively movable parts intended to protect the one relatively movable part from deterioration from the relatively movable surface contact of the seal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

571, for a dynamic, circumferential contacting peripheral radially sealing flexible projection (e.g., lip seal, etc.) including a wear sleeve.