US PATENT SUBCLASS 408 / 213
.~ Having axially extending peripheral cutting spur

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}
213.~ Having axially extending peripheral cutting spur

DEFINITION

Classification: 408/213

(under subclass 199) Device having a first and a second cutting edge, wherein the first cutting edge extends at least somewhat radially of the tool-axis and wherein the second cutting edge extends axially at the radially outermost extent of the leading portion of the tool, which second cutting edge projects axially beyond the other cutting edge of the tool.

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212, for similar structure including an inversely angled cutting edge.