US PATENT SUBCLASS 277 / 529
.~.~.~ Having particular cross-sectional seal 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}
500  DF  .~ Circumferential contact seal for other than piston {13}
510  DF  .~.~ Contained or compressed by gland member in packing box {10}
529.~.~.~ Having particular cross-sectional seal profile {2}
530  DF  .~.~.~.~> C-, M-, U-, V-, X-, or Z-shaped
531  DF  .~.~.~.~> Wedging surface {2}

DEFINITION

Classification: 277/529

Having particular cross-sectional seal profile:

(under subclass 510) Seal for the gland and packing box wherein the seal has a specific shape in a view of a vertical plane cutting across the seal at right angles to one of its principle horizontal dimensions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

490, for a piston ring having sectional structure including a component ring of eccentric or variable thickness.

548, for a dynamic segmented ring circumferentially contacting seal for other than piston having complementary interfitting adjoining rings.

626, for a static contact seal having a particular seal shape intended for use on a pipe, conduit, or cable.