| 发明名称 |
THREADING TOOL |
| 摘要 |
An object of improvement is a threading tool that includes multiple cutting edges 3-1 to 3-n (where n is 5 in the drawings) disposed side by side and that performs threading successively using the multiple cutting edges to form a thread. At least one of the cutting edges of the tool except a finishing edge 3-5 is deviated in an opposite-to-feed-direction direction of the tool (may instead be the feed direction). |
| 申请公布号 |
US2014248968(A1) |
申请公布日期 |
2014.09.04 |
| 申请号 |
US201214352957 |
申请日期 |
2012.10.03 |
| 申请人 |
SUMITOMO ELECTRIC HARDMETAL CORP. |
发明人 |
Kojima Chikako;Okano Mitsuhide;Murakami Reizo |
| 分类号 |
B23G5/02 |
主分类号 |
B23G5/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A threading tool comprising a plurality of cutting edges disposed side by side, the threading tool performing threading successively using the plurality of cutting edges to form a thread, wherein at least one of the cutting edges of the tool except a finishing edge is deviated in a feed direction of the tool or in an opposite-to-feed-direction direction of the tool. |
| 地址 |
Itami-shi, Hyogo JP |
