US PATENT SUBCLASS 285 / 280
.~.~.~ Flange locked axially

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

272  DF  SWIVEL {5}
275  DF  .~ Pipe in socket type {2}
278  DF  .~.~ With flange in socket {2}
280.~.~.~ Flange locked axially {1}
281  DF  .~.~.~.~> Packed

DEFINITION

Classification: 285/280

(under subclass 278) Devices in which the flanged pipe section is held within the socket against longitudinal movement.