发明名称 Earth-boring bits and other parts including cemented carbide
摘要 An article of manufacture includes a cemented carbide piece, and a joining phase that binds the cemented carbide piece into the article. The joining phase comprises a eutectic alloy material. The article of manufacture further includes a non-cemented carbide piece bound into the article of manufacture by the joining phase. An article of manufacture includes a fixed-cutter earth-boring bit body, a roller cone, and a part for an earth-boring bit.
申请公布号 US8459380(B2) 申请公布日期 2013.06.11
申请号 US201213491638 申请日期 2012.06.08
申请人 MIRCHANDANI PRAKASH K.;WALLER MICHALE E.;CHANDLER MORRIS E.;COLEMAN HEATH C.;TDY INDUSTRIES, LLC 发明人 MIRCHANDANI PRAKASH K.;WALLER MICHALE E.;CHANDLER MORRIS E.;COLEMAN HEATH C.
分类号 E21B10/46 主分类号 E21B10/46
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