ApplicationNo. 05/913571 filed on 06/08/1978
US Classes:175/428, Preformed cutting element (e.g., compact) mounted on a distinct support (e.g., blank, stud, shank)175/432With support detail
ExaminersPrimary: Leppink, James A.
Attorney, Agent or Firm
International ClassesE21B 10/46 (20060101)
E21B 10/56 (20060101)
AbstractThe invention relates to the design of earth bore-hole drill bits employing shaped preform cutters containing hard abrasive materials, such as diamonds, the cutters being mounted in companion preformed sockets in a hard metal bit matrix.
Field of SearchIndependently attachable