US PATENT SUBCLASS 285 / 267
.~ Spring-biased packing

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

261  DF  BALL AND SOCKET {8}
267.~ Spring-biased packing

DEFINITION

Classification: 285/267

(under subclass 261) Devices including a packing which is urged into sealing contact by resilient means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

348, for a separable follower in a packed joint.

375, for internal reciprocating packers in socket joints.