发明名称 BOHRWERKZEUG
摘要 The present invention relates to a drill for chip removing machining including a cutting end (21), a shank (22) and a securing portion (23). The cutting end (21) comprises at least one cutting edge (26A,26B). The drill (20) has at least one chip channel (13A,13B) and at least one flush channel (12A,12B). All portions of the drill (20) are performed in the same material. The chip channel (13A,13B) is substantially closed. The present invention also relates to a blank for the drill. <IMAGE>
申请公布号 AT514506(T) 申请公布日期 2011.07.15
申请号 AT20040010758T 申请日期 2004.05.06
申请人 SECO TOOLS AB 发明人 BRUHN, JOHNNY;GROENQVIST, MIKAEL;SVENSSON, MATTIAS
分类号 B23B51/02;B23B51/04;B23B51/06;E21B10/60 主分类号 B23B51/02
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