Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jason W. Wells0
Paul S. Daniels0
Douglas P. Bonfiglio0
Jeffery L. Burton0
Date of Patent
April 9, 2013
0Patent Application Number
128765380
Date Filed
September 7, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A rotary cutting tool or end mill is provided, the tool comprising a plurality of pairs of diametrically-opposed, symmetrical, helical flutes formed in a cutting portion of the tool body, wherein the pitch between at least one pair of adjacent helical flutes is less than or greater than the pitch of at least one other pair of adjacent helical flutes in at least one radial plane along the axial length of the flutes, a plurality of peripheral cutting edges, wherein at least one of the peripheral cutting edges has a radial rake angle different from radial rake angle of a peripheral cutting edge of a different helical flute.
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