US PATENT SUBCLASS 285 / 111
.~.~ C-shaped section

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

95  DF  WITH FLUID PRESSURE SEAL {11}
110  DF  .~ Flexible lip {1}
111.~.~ C-shaped section {1}
112  DF  .~.~.~> Longitudinal web

DEFINITION

Classification: 285/111

(under subclass 110) Devices in which the sealing means is C-section in shape, e.g., the gasket has a middle or cylindrical web portion with a sealing lip at each end at right angles to the web.