US PATENT SUBCLASS 137 / 323
.~.~.~ Rotary movement of valve

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

315  DF  WITH REPAIR, TAPPING OR ASSEMBLY MEANS {6}
317  DF  .~ Tapping a pipe, keg, or apertured tank under pressure {4}
320  DF  .~.~ With valved closure or bung {3}
323.~.~.~ Rotary movement of valve

DEFINITION

Classification: 137/323

(under subclass 320) Devices in which the valve rotates around the axis of the flow path when actuated by engagement with the connecting means at the attached flow device or by the actuator carried thereon.