| 发明名称 |
Drill tool for material testing by measuring insertion and extraction resistance has conical tip at end of needle shaft |
| 摘要 |
The drill tool consists of a steel drilling needle with a fine, conical tip (2). A helix may be provided on the conical tip. A backward-facing notch (4) may be provided behind the tip, around the tool.
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| 申请公布号 |
DE10031338(A1) |
申请公布日期 |
2001.01.18 |
| 申请号 |
DE20001031338 |
申请日期 |
2000.07.03 |
| 申请人 |
RINN, FRANK |
发明人 |
RINN, FRANK |
| 分类号 |
B23B31/02;B23B31/22;B23B51/00;B27C3/04;B27G15/00;G01N3/00;G01N3/02;G01N3/58;G01N33/46;(IPC1-7):G01N3/00 |
主分类号 |
B23B31/02 |
| 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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