Invention Grant
- Patent Title: Drill bit and method for producing a drill bit
- Patent Title (中): 钻头和钻头的生产方法
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Application No.: US13325483Application Date: 2011-12-14
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Publication No.: US08475459B2Publication Date: 2013-07-02
- Inventor: Liam Patrick Ellis
- Applicant: Liam Patrick Ellis
- Applicant Address: AU
- Assignee: Surgibit IP Holdings Pty Limited
- Current Assignee: Surgibit IP Holdings Pty Limited
- Current Assignee Address: AU
- 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 whilst 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
- US20120158000A1 DRILL BIT AND METHOD FOR PRODUCING A DRILL BIT Public/Granted day:2012-06-21
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