美國
US 12,703,029 B2
Indexable drilling tool
US 12,703,029 B2 是美國專利商標局(USPTO)的核准專利,日期 2026-08-11。申請人:ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO., LTD.。PDF 可在本頁下載,未登入每天最多 5 篇。
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- 申請人
- ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO., LTD.
- 發明人
- Aisheng JIANG; Xun LI; Aimin TANG; Junbo XUE
- 公開日
- 2026-08-11
- 申請日
- 2021-02-08
- 文件種類
- B2 核准公告
- 也寫作
- US 12,703,029 B2 · US12703029 · 12703029
摘要
An indexable drilling tool includes a cutter body, an outer blade and an inner blade. The inner blade is surrounded by a first upper surface, a first lower surface and a first side surface. The first upper surface intersects with the first side surface to form multiple identical inner cutting edges. When drilling, a cutting area of the inner cutting edge as a main cutting edge is located between a central inner point and a central outer point on the inner cutting edge.…
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專利局網站: 美國專利商標局(USPTO)