美國
US 12,703,030 B2
End mill
US 12,703,030 B2 是美國專利商標局(USPTO)的核准專利,日期 2026-08-11。申請人:OSG CORPORATION。PDF 可在本頁下載,未登入每天最多 5 篇。
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- 申請人
- OSG CORPORATION
- 發明人
- Shigetoshi UKEI; Masataka ISOBE
- 公開日
- 2026-08-11
- 申請日
- 2023-05-26
- 文件種類
- B2 核准公告
- 也寫作
- US 12,703,030 B2 · US12703030 · 12703030
摘要
An end mill includes a plurality of peripheral cutting edges have respective helix angles which are equal to each other and which range from 0° to 5°. Each of the plurality of peripheral cutting edges is defined by one of four types of teeth A-D consisting of (a) teeth A-C each defining a partially-uneven cutting edge that includes an uneven edge portion consisting of a nicked portion or a roughing portion and (b) a tooth D that does not define the uneven edge portion.…
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專利局網站: 美國專利商標局(USPTO)