基本信息:
- 专利标题： MULTI-PIECE DRILL HEAD AND DRILL INCLUDING THE SAME
- 专利标题（中）：BOHRKOPF BHRTEILIGER BOHRER DAMIT
- 申请号：EP10737160.1 申请日：2010-07-15
- 公开(公告)号：EP2593258A1 公开(公告)日：2013-05-22
- 发明人： FANG, Daniel, X. , DUFOUR, Jean-Luc , WILLS, David J.
- 申请人： TDY Industries, Inc.
- 申请人地址： 1000 Six PPG Place Pittsburgh, PA 15222 US
- 专利权人： TDY Industries, Inc.
- 当前专利权人： TDY Industries, Inc.
- 当前专利权人地址： 1000 Six PPG Place Pittsburgh, PA 15222 US
- 代理机构： Baker, Colin John
- 优先权： US835045 20100713
- 国际公布： WO2012008959 20120119
- 主分类号： B23B51/00
- IPC分类号： B23B51/00 ; B23B51/04
摘要：
One non-limiting aspect of the present disclosure is directed to a multi-piece spade drill head for a spade drill, wherein the spade drill includes an elongate body portion and a cutting portion removably secured to an end of the body portion. The multi-piece spade drill head includes at least two insert pieces, each piece including a cutting edge. The at least two insert pieces are configured to be removably secured to the body portion of the spade drill adjacent one another and with the cutting edges of the insert pieces aligned to together form a cutting edge on an end of the spade drill.
摘要（中）：
本公开的一个非限制性方面涉及用于铲钻的多件式铲钻头，其中铲形钻具包括细长主体部分和可移除地固定到主体部分的端部的切割部分。 多件式铲钻头包括至少两个插入件，每件包括切削刃。 所述至少两个插入件构造成可拆卸地固定到所述铲形钻的主体部分，所述主体部分彼此相邻并且所述插入件的切割边缘对齐在一起，在所述铲形钻的端部上形成切割边缘。