Turning tool
 A high speed turning tool comprises: PA0 (a) a generally cylindrical body having an axially extending bore, PA0 (b) multiple cutters at one end of the body and spaced about said axis, PA0 (c) each cutter having a front face and a cutting edge which extend in a generally radial axial plane, the cutter edges equally spaced about said axis, PA0 (d) each cutter having a back flank which extends at a relatively shallow angle from said edges and into proximity with the front face of the preceeding cutter and therewith define a first chip curl space, PA0 (e) there being additional and substantial chip curl space formed by the extension of said back flank into proximity to a body front face extending outwardly relative to said first curl space. 
B Y Y Y Y Y
B23B Y10T Y10T Y10T Y10T Y10T
inventional additional additional additional additional additional
James D.
Anderson