发明名称 |
Fitting apparatus of an acess trap to underground civil engineering building works |
摘要 |
<p>The system has a flat hatch plate (3) engaging with a fixed frame (1) with a hinge plate engaging the walls of a subterranean chamber. A support lug (8) welded to the plate may accommodate a threaded rod (10) connected (11) to a link (15) with a long slot. A round hole at the other end accommodates a bolt connecting it to a lug in the middle of the hatch.</p> |
申请公布号 |
EP1013833(A1) |
申请公布日期 |
2000.06.28 |
申请号 |
EP19990403221 |
申请日期 |
1999.12.20 |
申请人 |
BARAT S.A. |
发明人 |
PROVOST, CHRISTIAN |
分类号 |
E02D29/12;E02D29/14;(IPC1-7):E02D29/14 |
主分类号 |
E02D29/12 |
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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