US PATENT SUBCLASS 285 / 104
.~ With separate, encased pipe-gripping means

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

95  DF  WITH FLUID PRESSURE SEAL {11}
104.~ With separate, encased pipe-gripping means {1}
105  DF  .~.~> Packing-actuated

DEFINITION

Classification: 285/104

(under subclass 95) Devices comprising a pipe and socket with distinct pipe grasping means, e.g., wedge rings, intermediate the longitudinal wall of the pipe and socket.

SEE OR SEARCH THIS CLASS, SUBCLASS:

339+, for wedge rings which are contracted into gripping relation with a pipe by mechanical means. See the Search Notes thereunder.