| 发明名称 |
METHOD AND DEVICE FOR SECURING AN EXPANSION ANCHOR |
| 摘要 |
<p>1491309 Screw sockets HILTI AG 16 June 1975 [8 July 1974] 25563/75 Heading F2H [Also in Division B4] A screw socket (20a) is secured in a prepared hole by driving a plug (20b) into a leading portion of the socket bore to expand the leading end of the socket against the wall of the hole. The leading end portion of the bore is of smaller diameter than the plug and the threaded rear portion of the bore.</p> |
| 申请公布号 |
CA1031941(A) |
申请公布日期 |
1978.05.30 |
| 申请号 |
CA19750230231 |
申请日期 |
1975.06.26 |
| 申请人 |
HILTI AKTIENGESELLSCHAFT |
发明人 |
WINKLER, WALTER;CHROMY, FRANZ;MAHR, MANFRED;MARK, FRITZ |
| 分类号 |
B25B31/00;B25C1/10;B25C1/18;B27F4/00 |
主分类号 |
B25B31/00 |
| 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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