US PATENT SUBCLASS 277 / 647
.~.~.~ C-, U-, or V-shaped

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

590  DF  SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS {3}
628  DF  .~ Contact seal for other than internal combustion engine, or pipe, conduit, or cable {9}
644  DF  .~.~ Particular cross-sectional seal profile {3}
647.~.~.~ C-, U-, or V-shaped

DEFINITION

Classification: 277/647

C-, U-, or V-shaped:

(under subclass 644) Particular cross-sectional seal profile wherein the seal has a C-, U-, or V-form 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:

395, for a relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) including a secondary mounting seal having U- or V-shaped, peripherally, radially sealing, flexible projections (e.g., lip seal, etc.).

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.

567, for a dynamic, circumferential contact seal for other than a piston having peripherally, radially sealing, flexible projections forming a radially facing U or V cross-sectional profile.