US PATENT SUBCLASS 277 / 564
.~.~.~.~ Having insert between the flexible projections

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}
549  DF  .~.~ Peripheral radially sealing flexible projection (e.g., lip seal, etc.) {12}
562  DF  .~.~.~ Plural peripheral radially sealing flexible projections {3}
564.~.~.~.~ Having insert between the flexible projections

DEFINITION

Classification: 277/564

Having insert between the flexible projections:

(under subclass 562) Plural, flexible projections including a member inset therebetween intended to bias or reinforce.

(1) Note. Radially facing, U- or V-shaped, sealing rings are proper for this subclass.