专利名称：CORE DRILL BIT
发明人：BELL, ANDY,PURSER, RAYMOND申请号：EP09806914申请日：20090615公开号：EP2318640A4公开日：20160106
摘要：A drill bit is disclosed. The drill bit has an axis, and a barrel, and a cuttingmember fixed to the barrel. The barrel is arranged to engage a drill shaft for driving thedrill bit around the axis. The barrel and the cutting member are adjacently located on theaxis. The drill bit has an aperture centered on the axis, the aperture passing completelythrough both the cutting member and barrel.
申请人：SANDVIK INTELLECTUAL PROPERTY AB
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容