Cutters – for shaping – Rotary cutting tool – Face or end mill
Reexamination Certificate
2006-08-22
2006-08-22
Fridie, Jr., Willmon (Department: 3722)
Cutters, for shaping
Rotary cutting tool
Face or end mill
C407S054000, C407S062000
Reexamination Certificate
active
07094005
ABSTRACT:
A shank milling cutter includes a cutting portion which is intended to come into engagement with the workpiece, wherein the envelope surface of the cutting portion is substantially cylindrical. At least one major cutting edge is arranged at the peripheral surface of the cutting portion and at least one minor cutting edge (face cutting edge) is arranged at the end face of the cutting portion and with an end diameter D. The minor cutting edge, in projection onto a plane containing the milling cutter axis, has a convexly curved portion with a radius of curvature R>D/2 and a center of curvature M located such that a distance from the center of curvature M to the axis is in a range from zero to a value smaller than D/2.
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Drinker Biddle & Reath LLP
Fridie Jr. Willmon
Sandvik Intellectual Property AB
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