发明名称 |
ROUTER BIT |
摘要 |
<p>A router bit comprises a shank and a fluted portion, for example two or four fluted bit. The two fluted bit comprises two upper cutting edges higher than a predetermined standard line and two lower cutting edges lower than the standard point. Helixes of the upper and lower cutting edges are twisted in the opposite direction relative to each other. Helix angles of the upper and lower cutting edges are equal or different in absolute angle.</p> |
申请公布号 |
EP0055142(B1) |
申请公布日期 |
1985.04.17 |
申请号 |
EP19810306115 |
申请日期 |
1981.12.23 |
申请人 |
FUJI JUKOGYO KABUSHIKI KAISHA |
发明人 |
SUZUKI, TAKASHI;FUKUDA, RYOHEI;TAKAHASHI, KOUJI |
分类号 |
B23B51/02;B23B51/08;(IPC1-7):B23B51/02 |
主分类号 |
B23B51/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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