发明名称 Drilling tool
摘要 The invention relates to a drilling tool (1), in particular for working concrete, rock, masonry and suchlike materials, having a tool head with cutting body (5) which has at least one front rake face (9, 10), at least one rear flank ([lacuna] 18) and at least one front-end cutting edge (7, 8), the cutting edge (7, 8) separating the rake face (9, 10) and the flank ([lacuna] 18). In this case, the rake face (9, 10) is formed by at least two cutting faces (11, 13; 12 [lacuna]) merging into one another at at least one second cutting edge (15, 16).
申请公布号 US2003159855(A1) 申请公布日期 2003.08.28
申请号 US20030375106 申请日期 2003.02.28
申请人 HAUSSMANN AUGUST;MOSER BERNHARD;WIDMANN RAINER;LANG MARCO 发明人 HAUSSMANN AUGUST;MOSER BERNHARD;WIDMANN RAINER;LANG MARCO
分类号 B23B51/00;E21B10/58;(IPC1-7):E21B10/36 主分类号 B23B51/00
代理机构 代理人
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