US PATENT SUBCLASS 137 / 322
.~.~.~ Longitudinal 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}
322.~.~.~ Longitudinal movement of valve


DEFINITION

Classification: 137/322

(under subclass 320) Devices in which the valve opens with a straight line motion with reference to the axis or the outlet when engaged by the connectable device or the actuator carried thereby.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

318+, for reciprocating valves and their actuators, and see the search note thereto.