发明名称 |
Wood boring bit has a replaceable spiral tip set at the front of a larger diameter spiral borer |
摘要 |
A wood boring bit has a small diameter spiral tip with a tapering shape to grip into the wood, and a larger diameter spiral body to cut the hole. The spiral tip is replaceable and has a short shank which locates into a hole in the end of the large spiral, and is secured by a grub screw in a cross bore.
|
申请公布号 |
FR2843712(A3) |
申请公布日期 |
2004.02.27 |
申请号 |
FR20020010525 |
申请日期 |
2002.08.23 |
申请人 |
HUA LUNG MACHINERY WORKS CO.,LTD |
发明人 |
LIAO CHAO CHIN |
分类号 |
B27G15/00;(IPC1-7):B27C3/08;B23B51/02 |
主分类号 |
B27G15/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|