ApplicationNo. 06/031483 filed on 04/19/1979
US Classes:125/39, Diamond407/119, COMPRISING TOOL OF SPECIFIC CHEMICAL COMPOSITION76/115Rotary cutter
ExaminersPrimary: Whitehead, Harold D.
Attorney, Agent or Firm
International ClassesB23B 27/14 (20060101)
E21B 10/58 (20060101)
E21B 10/46 (20060101)
AbstractA cutting element for processing of rock, in particular, but also metal, comprising a support member of cemented carbide or the like hard material and a cutting member made of polycrystalline diamond or like superhard cutting material, said members together forming the cutting element, the cutting element being formed by a cutout of a blank comprising a core zone of the cutting material and an outer zone of the hard material surrounding said core zone in the form of a shell, at least at the periphery thereof. The cutting element typically forms a wedge-shaped section of the blank.