Cutters – for shaping – Rotary cutting tool – Face or end mill
Reexamination Certificate
2007-05-29
2007-05-29
Carter, Monica (Department: 3722)
Cutters, for shaping
Rotary cutting tool
Face or end mill
C407S060000, C407S063000
Reexamination Certificate
active
10931733
ABSTRACT:
An end mill is provided that includes a shank section and a fluted section. One or more helical teeth are disposed along an outer surface of the fluted section. Each helical tooth has a cutting surface and a relief wall that intersect to form an angle defining a helical cutting edge. The cutting surface of each helical tooth includes a first section, a second section, and a take-off peak disposed between the first section and second section. The cutting edge of each helical tooth includes a first portion having a first constant angle, and a second portion having a second constant angle unequal to the first constant angle, and an arcuate transition section connecting the first portion and second portion. Some embodiments of the present invention include more portions than the aforesaid first and second portions.
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International Search Report.
Addisu Sara
Berkshire Precision Tool, LLC
Carter Monica
O'Shea Getz & Kosakowski P.C.
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