US PATENT SUBCLASS 285 / 106
.~ Independent supply passage

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

95  DF  WITH FLUID PRESSURE SEAL {11}
106.~ Independent supply passage

DEFINITION

Classification: 285/106

(under subclass 95) Devices in which a passage is provided, in the pipe wall or gasket by which the fluid has access to the sealing member.