US PATENT SUBCLASS 285 / 231
.~ Socketed packing type

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

223  DF  FLEXIBLE JOINT, RIGID MEMBERS {6}
231.~ Socketed packing type {3}
232  DF  .~.~> With conduit gripping means (e.g., wedge ring)
233  DF  .~.~> Beaded conduit
234  DF  .~.~> Flared conduit

DEFINITION

Classification: 285/231

(under subclass 223) Devices in which a packing placed between the inner surface of an outer member and the spaced out surface of an inner member of two telescoped members provides relative lateral flexibility between the members.