US PATENT SUBCLASS 285 / 99
.~ Coacting opposing duplicate


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

95  DF  WITH FLUID PRESSURE SEAL {11}
99.~ Coacting opposing duplicate


DEFINITION

Classification: 285/99

(under subclass 95) Devices in which two sealing members, individually dispensable by fluid pressure, are adjacently positioned to expand and seal against each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

65+, for coupling comprising identical halves having duplicate gasket means.

336, for cooperating, opposed packing grooves.

352, for duplicate, coacting gasket means between the free ends of the coupled members.