US PATENT SUBCLASS 470 / 198
.~ Tap

Current as of: June, 1999
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470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

183  DF  IMPLEMENT, E.G., DIE, ETC. {10}
198.~ Tap {4}
199  DF  .~.~> Combined
200  DF  .~.~> Radially adjustable
201  DF  .~.~> Collapsible {2}
204  DF  .~.~> Thread swage

DEFINITION

Classification: 470/198

Tap:

(under subclass 183) Subject matter otherwise unprovided for capable of forming an interior ridge in a blank or stock material.

SEE OR SEARCH CLASS

29, Metal Working,

281, for hand manipulated assembling or disassembling tools which have grippers for direct push or pull for tube applying or removing in which the gripping means is thread tapping.