| 发明名称 |
SPADE DRILL INSERT HAVING HELICAL MARGINS |
| 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. |
| 申请公布号 |
KR20060085697(A) |
申请公布日期 |
2006.07.27 |
| 申请号 |
KR20067007533 |
申请日期 |
2006.04.19 |
| 申请人 |
ALLIED MACHINE & ENGINEERING CORP. |
发明人 |
STOKEY TIMOTHY G.;FIEGL GREG;NUZZI JOSEPH P.;MAST WENDELL E. |
| 分类号 |
B23B51/00;B23B;B23B27/14;B23B51/02;B23D77/00;B27G15/00 |
主分类号 |
B23B51/00 |
| 代理机构 |
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代理人 |
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