US PATENT SUBCLASS 277 / 395
.~.~.~.~ U- or V-shaped cross-sectional profile

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}
358  DF  .~ Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) {9}
390  DF  .~.~ Particular secondary mounting seal or driving connection {4}
394  DF  .~.~.~ Peripheral radially sealing flexible projection (e.g., lip seal, etc.) {1}
395.~.~.~.~ U- or V-shaped cross-sectional profile

DEFINITION

Classification: 277/395

U- or V-shaped cross-sectional profile:

(under subclass 394) Peripheral radially sealing flexible projection including another projection forming a U or V in a view of a vertical plane cutting across the seal at right angles to one of its principal horizontal dimensions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

530, for a dynamic, circumferential contact seal for other than a piston intended to be contained or compressed by a gland member in a packing box having a C, M, U, V, X, or Z cross-sectional seal shape.

647, for a static seal having a C-, U-, or V-shaped cross-sectional seal profile for other than an internal combustion engine, or a pipe, conduit, or cable.