| 发明名称 |
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| 摘要 |
<p>PCT No. PCT/DE83/00133 Sec. 371 Date Apr. 9, 1984 Sec. 102(e) Date Apr. 9, 1984 PCT Filed Jul. 30, 1983 PCT Pub. No. WO84/00793 PCT Pub. Date Mar. 1, 1984.An anchoring bolt (1), which can produce a conical undercut by rotation in a cylindrical hole and serves simultaneously as a securing element has a connection portion (2), a shaft (4) and an insertion portion (5). The insertion portion (5) has an axially extending slot (6) forming two spreadable branches (8,9), into which slot a movable spreading wedge (18) can be driven in with its tapered end. The branches (8, 9) are each provided with drillings (14, 15) receiving hard metal pins (16, 17) of which the front edges, in the rotation direction, are more protuberant than the rear edges so as to form a clearance angle alpha .</p> |
| 申请公布号 |
DE3229633(C2) |
申请公布日期 |
1984.08.02 |
| 申请号 |
DE19823229633 |
申请日期 |
1982.08.09 |
| 申请人 |
UPAT GMBH & CO, 7830 EMMENDINGEN, DE |
发明人 |
MERMI, KURT, 7835 TENINGEN, DE;STERNISA, DANILO, ING.(GRAD.), 7830 EMMENDINGEN, DE;FRISCHMANN, ALBERT, 7835 TENINGEN, DE |
| 分类号 |
B23B51/00;E21D21/00;F16B13/00;F16B13/08;F16B13/10;F16B13/13;(IPC1-7):16B13/13;21D21/00 |
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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