发明名称 DRILLING TOOL
摘要 <p>The invention relates to a drilling tool (1) having at least two partial cutting edges (10) which run at right angles to the central longitudinal axis (2) of the tool shank (3) thus forming one main drill cutting edge, and having a clearance (11) recessed in the direction of the tool shank (3), between the partial cutting edges (10).</p>
申请公布号 CA2770577(A1) 申请公布日期 2011.03.03
申请号 CA20102770577 申请日期 2010.08.10
申请人 KENNAMETAL INC. 发明人 HOBOHM, UWE
分类号 B23B51/02 主分类号 B23B51/02
代理机构 代理人
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