US PATENT SUBCLASS 137 / 325
.~.~.~ Impact operated

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}
324  DF  .~.~ With core ejectors {1}
325.~.~.~ Impact operated

DEFINITION

Classification: 137/325

(under subclass 324) Devices in which the connectable or tapping member is forced into the opening by blows delivered by a means which is ordinarily not part of the system, the member being provided merely with a surface designed to

receive the blow.