US PATENT SUBCLASS 470 / 106
.~ Having broaching means

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

87  DF  APPARATUS FOR MAKING INTERNALLY THREADED FASTENER, I.E., NUT {7}
106.~ Having broaching means

DEFINITION

Classification: 470/106

Having broaching means:

(under subclass 87) Subject matter provided with means having a multiple-tooth, barlike cutting tool wherein the teeth are shaped to produce a desired surface or contour and the cutting is produced by configuring the teeth such that each tooth projects farther than the preceding tooth.

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151, for machines for finishing the sides of rough-forged bolt heads by driving them through a trimming die.

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409, Gear Cutting, Milling, or Planing,

244+, methods or machines for a general broaching operation.