发明名称 Drilling tool
摘要 A drilling tool, in particular for rotary percussion drilling preferably of rock, is proposed, with a drill body preferably equipped with cutting tips toward the drilling side and with an axially arranged bore for receiving an exchangeable center drill. In order to carry out easy mounting and demounting of the center drill, the drilling tool is designed in two parts, the center drill being capable of being introduced into the drilling tool on the clamping side.
申请公布号 US6116827(A) 申请公布日期 2000.09.12
申请号 US19980152513 申请日期 1998.09.14
申请人 HAWERA PROBST GMBH 发明人 MOSER, BERNHARD;FUSS, MATHIAS
分类号 E21B10/36;B23B51/04;B28D1/14;E21B10/26;(IPC1-7):B23B51/04;B23B51/00 主分类号 E21B10/36
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