发明名称 Impact tool
摘要 An impact tool for use with a driving mechanism, the impact tool including an impact tip formed from a super hard material and having an apex and an attachment end, with the attachment end being bonded to a cemented metal carbide substrate at a non-planar interface. The cemented metal carbide substrate is bonded in turn to the front end of a cemented metal carbide bolster. The carbide bolster is securable against an outer surface of a driving mechanism through a press fit.
申请公布号 US8123302(B2) 申请公布日期 2012.02.28
申请号 US20080021051 申请日期 2008.01.28
申请人 HALL DAVID R.;CROCKETT RONALD;DAHLGREN SCOTT;WILDE TYSON J.;SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 HALL DAVID R.;CROCKETT RONALD;DAHLGREN SCOTT;WILDE TYSON J.
分类号 E21C35/18 主分类号 E21C35/18
代理机构 代理人
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