US PATENT SUBCLASS 408 / 228
.~.~ Each formed by a pair of axially facing facets

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}
227  DF  .~ Having peripherally spaced cutting edges {3}
228.~.~ Each formed by a pair of axially facing facets

DEFINITION

Classification: 408/228

(under subclass 227) Device including a plurality of cutting edges each of which is formed by a pair of radially extending, planar faces, each of which planar faces is disposed on an angular attitude such that, when the tool is viewed along the tool-axis, both of the faces can be seen.