- 专利标题： CUTTING ELEMENTS FORMED FROM COMBINATIONS OF MATERIALS AND BITS INCORPORATING THE SAME
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申请号： US16061097申请日： 2016-11-24
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公开(公告)号： US20180363383A1公开(公告)日： 2018-12-20
- 发明人: Yahua Bao , Yi Fang , Haibo Zhang , John Daniel Belnap , Youhe Zhang
- 申请人： Smith International, Inc.
- 国际申请： PCT/US2016/063709 WO 20161124
- 主分类号： E21B10/55
- IPC分类号： E21B10/55
摘要：
A cutting element may include: a substrate; and an ultrahard layer on the substrate, the ultrahard layer having a non-planar working surface, the non-planar working surface being formed from a first region and a second region, the first region, encompassing at least a cutting edge or tip of the cutting element and having a differing composition than the second region.