US PATENT SUBCLASS 285 / 350
.~.~ Extrusion recess

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

335  DF  PACKED {20}
349  DF  .~ Supplemental packing socket {1}
350.~.~ Extrusion recess

DEFINITION

Classification: 285/350

(under subclass 349) Subject matter wherein the packing socket includes an auxiliary recess into which the gasket may cold-flow upon tightening of the joint.