Patent ID: 7594784
Filing Date: 2009-09-29
Classification: B23B,Y10T

Abstract:
1. A cutting tool comprising: a first cutting bit portion comprising at least two cutting edges; a second cutting bit portion comprising at least two cutting edges; a middle portion disposed between said first cutting bit portion and said second cutting bit portion; each of said first cutting bit portion and said second cutting bit portion and said middle portion together form an integral body; said first cutting bit portion comprising chip flutes comprising an asymmetrical cross-sectional profile about a radius of said cutting tool intersecting at approximately the middle of a corresponding one of said chip flutes; said second cutting bit portion comprising chip flutes comprising an asymmetrical cross-sectional profile about a radius of said cutting tool intersecting at approximately the middle of a corresponding one of said chip flutes; and said middle portion comprising chip flutes comprising a symmetrical cross-sectional profile about a radius of said cutting tool intersecting at approximately the middle of a corresponding one of said chip flutes.