发明名称 |
DRILL BIT AND METHOD FOR PRODUCING A DRILL BIT |
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.
|
申请公布号 |
US2009216235(A1) |
申请公布日期 |
2009.08.27 |
申请号 |
US20080243786 |
申请日期 |
2008.10.01 |
申请人 |
SURGIBIT IP HOLDINGS PTY LIMITED |
发明人 |
ELLIS LIAM PATRICK |
分类号 |
A61B17/56;A61B17/16;B23B51/04 |
主分类号 |
A61B17/56 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|