- 专利标题： METHOD FOR PRODUCING A CUT SECTION FOR A DRILL BIT
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申请号： US16954463申请日： 2018-12-13
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公开(公告)号： US20210078119A1公开(公告)日： 2021-03-18
- 发明人: Florian SCHROEDER , Guenter DOMANI , Pingyan RONG
- 申请人： Hilti Aktiengesellschaft
- 申请人地址： LI Schaan
- 专利权人： Hilti Aktiengesellschaft
- 当前专利权人： Hilti Aktiengesellschaft
- 当前专利权人地址： LI Schaan
- 优先权： EP17209398.1 20171221
- 国际申请： PCT/EP2018/084733 WO 20181213
- 主分类号： B23P15/28
- IPC分类号： B23P15/28 ; B23B51/04
摘要：
A method for producing a cutting section from a closed tubular element (14) which is in the form of a hollow cylinder and from one or more drill segments (16) which are connected to the closed tubular element (14).
公开/授权文献
- US11504815B2 Method for producing a cut section for a drill bit 公开/授权日：2022-11-22
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