Cutters – for shaping – Rotary cutting tool – Face or end mill
Reexamination Certificate
2007-12-11
2007-12-11
Fridie, Jr., Willmon (Department: 3722)
Cutters, for shaping
Rotary cutting tool
Face or end mill
C407S061000, C407S063000
Reexamination Certificate
active
11420874
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.
REFERENCES:
patent: 3217382 (1965-11-01), De Dobbelaere et al.
patent: 3798723 (1974-03-01), Czopor et al.
patent: 4212568 (1980-07-01), Minicozzi
patent: 4963059 (1990-10-01), Hiyama
patent: 5425603 (1995-06-01), Dutschke et al.
patent: 5779399 (1998-07-01), Kuberski
patent: 5913644 (1999-06-01), DeRoche et al.
patent: 6007276 (1999-12-01), Wardell
patent: 6164876 (2000-12-01), Cordovano
patent: 6179528 (2001-01-01), Wardell
patent: 6439811 (2002-08-01), Wardell
patent: 6719501 (2004-04-01), Sekiguchi et al.
patent: 6846135 (2005-01-01), Kuroda et al.
patent: 6991409 (2006-01-01), Noland
patent: 6997651 (2006-02-01), Kawai et al.
patent: 2004/0105729 (2004-06-01), Giessler et al.
patent: 2005/0084341 (2005-04-01), Long, II et al.
patent: 2005/0105973 (2005-05-01), MacArthur
patent: 2557189 (1997-12-01), None
Alan Richter, Managing Editor, Variations on a Theme, Cutting Tool Engineering Magazine, Oct. 2004, 4 pages, vol. 56, No. 10.
Bonfiglio Douglas P.
Burton Jeffery L.
Daniels Paul S.
Wells Jason S.
Fridie Jr. Willmon
Hahn Loeser & Parks LLP
Nabors William S.
SGS Tool Company
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