US PATENT SUBCLASS 285 / 356
.~ Gland

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

335  DF  PACKED {20}
356.~ Gland {1}
357  DF  .~.~> Threaded

DEFINITION

Classification: 285/356

(under subclass 335) Devices wherein the packing is compressed or forced into sealing position by a gland. A gland is limited here to a follower combined (e.g., integral) with a force transmitting means (e.g., threads) or a part thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

212, for a screw compressed countersunk packing in a pipe-to-plate joint.

231, for a socketed packing-type flexible joint between rigid members.

339+, for packings compressed by wedging action.