<p>A cutting tool that includes an elongate body that has a forward end and a rearward end. The elongate body has a fluted portion that beginning near and extends in a rearward direction from the forward end. The fluted portion has a flute that defines a cutting edge. The flute presents a concave cutting face wherein the concave cutting face is defined by a first radius. The flute further presents a concave core surface adjacent to the concave cutting face wherein the concave core surface is defined by a second radius. The flute presents a convex heel surface adjacent to the concave core surface wherein the convex heel surface is defined by a fourth radius.</p>
申请公布号
EP2073950(A4)
申请公布日期
2011.01.26
申请号
EP20070844153
申请日期
2007.10.11
申请人
KENNAMETAL INC.;YAMAWA MFG. CO., LTD.
发明人
HENDERER, WILLARD E.;GEORGE, STEPHEN M.;BURNS, STEVEN R.;AKAKI, MR. SADAYUKI