US PATENT SUBCLASS 277 / 510
.~.~ Contained or compressed by gland member in packing box

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.~.~ Contained or compressed by gland member in packing box {10}
511  DF  .~.~.~> Having installation, removal, assembly, disassembly, or repair feature
512  DF  .~.~.~> Fluid introducer or director {5}
518  DF  .~.~.~> Plural distinct packing boxes
519  DF  .~.~.~> Segmented packing boxes
520  DF  .~.~.~> Particular gland feature {5}
527  DF  .~.~.~> Wear sleeve
528  DF  .~.~.~> Helically coiled packing
529  DF  .~.~.~> Having particular cross-sectional seal profile {2}
534  DF  .~.~.~> Particular seal material or construction {4}
542  DF  .~.~.~> Consisting of loose-fill type packing

DEFINITION

Classification: 277/510

Contained or compressed by gland member in packing box:

(under subclass 500) Dynamic, circumferential contact seal wherein the seal is intended for use in a chamber having an axially opened end to receive the seal and a member that substantially closes the open end to retain or squeeze the seal within the chamber while having an opening for passage for one of the relatively movable parts.

(1) Note. A biasing spring is not a gland or follower.

SEE OR SEARCH THIS CLASS, SUBCLASS:

308, for a process of dynamic sealing employing a seal to be contained or compressed by a gland member in a packing box.

329+, for a seal for well apparatus where the seal is in a packing box contained or compressed by a gland member.

396, for a relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) including a secondary mounting seal consisting of axially compressed packing.

620+, for a static contact seal intended for use on a pipe, conduit, or cable including a clamping gland. SEE OR SEARCH CLASS

384, Bearings, for more than nominal bearing structure or detail (e.g., liner, bearing race, cage, etc.) combined with a specific seal,

149, for a plain radial bearing, or subclass 483 for a radial antifriction bearing having radially contained seal having an axially acting follower.