Invention Grant
- Patent Title: Drill bit and method for producing a drill bit
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Application No.: US12243802Application Date: 2008-10-01
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Publication No.: US08172845B2Publication Date: 2012-05-08
- Inventor: Liam Patrick Ellis
- Applicant: Liam Patrick Ellis
- Applicant Address: AU Fairlight, NSW
- Assignee: Surgibit IP Holdings Pty Limited
- Current Assignee: Surgibit IP Holdings Pty Limited
- Current Assignee Address: AU Fairlight, NSW
- Agency: McAndrews, Held & Malloy, Ltd.
- Priority: AU2002950673 20020808; AU2002953610 20021108
- Main IPC: A61B17/00
- IPC: A61B17/00

Abstract:
A drill bit including a shaft which has a pyramidal shaped end defining a drill tip with a plurality of edges defining the pyramidal shape.One or more recesses are provided for directing away debris produced while drilling, the at least one recess having a first portion extending along the shaft and a second portion having a first portion extending along the shaft and a second portion which extends along the drill tip; wherein the. The second portion which extends along the drill tip. The second portion of the at least one recess extends along an edge of the drill tip.
Public/Granted literature
- US20090222009A1 DRILL BIT AND METHOD FOR PRODUCING A DRILL BIT Public/Granted day:2009-09-03
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