US PATENT SUBCLASS 408 / 220
.~.~.~ And relieved cutting edge

Current as of: June, 1999
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408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

199  DF  TOOL OR TOOL WITH SUPPORT {12}
215  DF  .~ With pitch-stabilizing ridge {4}
219  DF  .~.~ Including tapered section {2}
220.~.~.~ And relieved cutting edge

DEFINITION

Classification: 408/220

(under subclass 219) Device wherein at least one of said crests is formed specifically so that the trailing portion thereof will either not touch the kerf of the cutting edge or will touch it only in a specified manner.

SEE OR SEARCH CLASS

72, Metal Deforming,

71, for a cutting device similar to that found in this subclass wherein the trailing portion of the crest serves to stress the work beyond its elastic limit.