US PATENT SUBCLASS 277 / 637
.~.~ Having particular associated mounting or retaining feature

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}
637.~.~ Having particular associated mounting or retaining feature {4}
638  DF  .~.~.~> Extrusion preventing (i.e., antiextrusion) structure
639  DF  .~.~.~> Compression limiting feature
640  DF  .~.~.~> Anchoring feature extending through seal
641  DF  .~.~.~> Groove structure on the seal or part {2}

DEFINITION

Classification: 277/637

Having particular associated mounting or retaining feature:

(under subclass 628) Contact seal for other than including a specific related fastening or securing means for the seal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

616+, for a static, contact seal intended for use on a pipe, conduit, or cable having an associated mounting or retaining means for the seal.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation, for means to close or restrict a flow of fluid through a passage by a definite predetermined motion of the means combined with a seal,

171, for a gland member pressing a seal constituting a valve seat against a valve head, subclass 189 for separate actuators or different functions of the same actuator to increase contact pressure between piston type valves provided with expansible sealing and a seat, subclass 191 for means to increase the contact pressure between a piston-type valve having a seal that expands upon closing and a seat, or subclass 363 for a removable valve seat having a seal between the valve seat and its supporting structure.