发明名称 FULLY INFILTRATED ROTARY DRILL BIT
摘要 A fully infiltrated rotary drill bit having a bit body that includes at least one particle-matrix composite material having a particle material composition and a binder material having a binder material composition that differs from the particle material composition. The particle material composition has a particle material melting temperature and the binder material composition has a binder melting temperature that is lower than the particle material melting temperature.
申请公布号 EP3143236(A1) 申请公布日期 2017.03.22
申请号 EP20150793275 申请日期 2015.05.13
申请人 Longyear TM, Inc. 发明人 LAMBERT, Christian, M.;PEARCE, Cody, A.;RUPP, Michael, D.
分类号 E21B10/42;E21B10/02;E21B10/46 主分类号 E21B10/42
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