US PATENT SUBCLASS 72 / 336
.~.~.~.~ Blank detaching

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

324  DF  WITH CUTTING {5}
332  DF  .~ By shearing tool-couple {2}
333  DF  .~.~ With endless cutting edges (e.g., for punching a hole) {2}
335  DF  .~.~.~ Pre-cutting (i.e., before metal-deforming) {1}
336.~.~.~.~ Blank detaching

DEFINITION

Classification: 72/336

Blank detaching:

(under subclass 335) Subject matter wherein the cutting effects complete severance of a discrete workpiece.

SEE OR SEARCH THIS CLASS, SUBCLASS:

329, for blank detaching by composite tool with endless cutting edge.

330, and 337, for blanking detaching by shearing tools in a different environment.

339, for severing by nonshearing means prior to metal deformation.