发明名称 CUTTING ELEMENT FOR A ROTARY DRILL BIT AND METHODS FOR MAKING SAME
摘要 A cutting element comprises a stud and a cutting blank bonded to a mounting face of the stud. The stud comprises stiffening elements of a refractory carbide embedded in a body of steel. The mounting surface is formed partially of carbide and partially of steel, and the cutting blank is bonded to the steel and carbide.
申请公布号 EP0255499(A3) 申请公布日期 1989.01.18
申请号 EP19870850222 申请日期 1987.07.07
申请人 STRATA BIT CORPORATION 发明人 DENNIS, MAHLON D.
分类号 B22D19/02;B22D19/06;B22F3/15;E21B10/56;E21B10/573;(IPC1-7):E21B10/56;B22F3/14 主分类号 B22D19/02
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