US PATENT SUBCLASS 76 / 5.4
.~.~ Forging

Current as of: June, 1999
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76 /   HD   METAL TOOLS AND IMPLEMENTS, MAKING

*  DD  MACHINES {7}
5.1  DF  .~ Drill-forming or sharpening {2}
5.4.~.~ Forging

DEFINITION

Classification: 76/5.4

Forging:

(under subclass 5.1) Machine comprising changing a drill blank to a drill by the action of a pair of dies having opposite shape to that of the desired drill, that move toward each other to effect shaping.