发明申请
- 专利标题： Attack Tool with an Interruption
- 专利标题（中）： 攻击工具中断
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申请号： US11766903申请日： 2007-06-22
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公开(公告)号： US20130341999A1公开(公告)日： 2013-12-26
- 发明人: David R. Hall , Ronald Crockett , John Bailey , Jeff Jepson
- 申请人： David R. Hall , Ronald Crockett , John Bailey , Jeff Jepson
- 主分类号： E21C35/18
- IPC分类号： E21C35/18
摘要：
A tool has a wear-resistant steel base comprising a shank suitable for attachment to a driving mechanism. A planar end of a cemented metal carbide segment is brazed to an interfacial surface of the steel base axially opposed to the shank. At least one interruption is formed in the interfacial surface.
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