发明申请
- 专利标题： Spade drill insert having helical margins
- 专利标题（中）： 具有螺旋边缘的铲钻插入件
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申请号： US10780273申请日： 2004-02-17
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公开(公告)号： US20050100419A1公开(公告)日： 2005-05-12
- 发明人: Timothy Stokey , Greg Fiegl , Joseph Nuzzi , Wendell Mast
- 申请人： Timothy Stokey , Greg Fiegl , Joseph Nuzzi , Wendell Mast
- 专利权人： Allied Machine & Engineering Corp.
- 当前专利权人： Allied Machine & Engineering Corp.
- 主分类号： B23B
- IPC分类号： B23B20060101 ; B23B51/00 ; B23D77/00 ; B27G15/00
摘要：
A spade drill insert and drilling tool assembly is provided wherein the lands of the spade drill insert have helical margins which provide increased stability during cutting operations. The margin may have a helical trailing side or leading side, a parallel helical margin, or may also include a gullet or flute adjacent the helical margin.
公开/授权文献
- US07011478B2 Spade drill insert having helical margins 公开/授权日：2006-03-14
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