| 发明名称 |
Drill and production method |
| 摘要 |
A drill having a drill head (11) made of hard metal and a shaft (12) or a coupling piece (16) made of a sintered iron alloy. The hard metal is joined in the form of a material connection to the sintered iron alloy by a sintering process.
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| 申请公布号 |
US2011020085(A1) |
申请公布日期 |
2011.01.27 |
| 申请号 |
US20100804353 |
申请日期 |
2010.07.20 |
| 申请人 |
HILTI AKTIENGESELLSCHAFT |
发明人 |
GLASER ARNO;MOSELEY STEVEN;BISCHOF MICHAEL |
| 分类号 |
B23B51/00;B21K5/04 |
主分类号 |
B23B51/00 |
| 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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