US PATENT SUBCLASS 277 / 567
.~.~.~.~.~ Radially facing U or V 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}
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}
565  DF  .~.~.~.~ On radial facing side of single seal {3}
567.~.~.~.~.~ Radially facing U or V cross-sectional profile

DEFINITION

Classification: 277/567

Radially facing U or V cross-sectional profile:

(under subclass 565) Radially facing wherein the flexible projections have a U- or V-profile in a view of a vertical plane cutting across the seal at right angles to one of its principle horizontal dimensions perpendicular to the axis of relative motion formed between the relative movable parts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

491+, for a piston ring having a sectional structure including a component ring having a C, L, T, U, V, or Z cross-sectional profile.

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.