US PATENT SUBCLASS 285 / 196-- .~ Expansible packing on spigot

US PATENT SUBCLASS 285 / 196
.~ Expansible packing on spigot

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

189	DF	END TO SIDE OR PLATE (E.G., REINFORCEMENT) {11}
196		.~ Expansible packing on spigot

DEFINITION

Classification: 285/196

(under subclass 189) Subject matter comprising a packing carried by the pipe with means to expand the packing into holding relation with the plate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107, for a coupling with a fluid pressure seal comprising an expansible shank.

109, for a coupling with a fluid pressure seal comprising an expansible internal sleeve-type gasket.

140.1, for pipe or rod-to-pipe-to-plate joints including an expanding spigot.

338, for a socket joint with a spigot carried, radially expansible packing. See the Search Notes thereunder. SEE OR SEARCH CLASS

411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener

370, for a threaded fastener and nut with a stay bolt bearing washing.