Invention Grant
- Patent Title: Multi-piece drill head and drill including the same
-
Application No.: US12835045Application Date: 2010-07-13
-
Publication No.: US08827606B2Publication Date: 2014-09-09
- Inventor: X. Daniel Fang , Jean-Luc Dufour , David J. Wills
- Applicant: X. Daniel Fang , Jean-Luc Dufour , David J. Wills
- Applicant Address: US PA Latrobe
- Assignee: Kennametal Inc.
- Current Assignee: Kennametal Inc.
- Current Assignee Address: US PA Latrobe
- Agent Larry R. Meenan, Esq.
- Main IPC: B23B51/00
- IPC: B23B51/00 ; B23B51/04

Abstract:
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.
Public/Granted literature
- US20100278603A1 Multi-Piece Drill Head and Drill Including the Same Public/Granted day:2010-11-04
Information query