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DRILL BIT AND METHOD FOR PRODUCING A DRILL BIT
专利权人:
Surgibit IP Holdings Pty Limited
发明人:
Liam Patrick Ellis
申请号:
US13862122
公开号:
US20130296866A1
申请日:
2013.04.12
申请国别(地区):
US
年份:
2013
代理人:
摘要:
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.
来源网站:
中国工程科技知识中心
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http://www.ckcest.cn/home/

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