发明名称 |
Box culvert |
摘要 |
A box culvert formed from a plurality of corrugated sections. Reinforcing ribs are secured to the outside surface of the culvert. A universal receiving channel is provided for each lower edge of the culvert and may be used to secure lower edge portions extending at different angles relative to horizontal. A rib configuration is disclosed which results in manufacturing and material savings.
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申请公布号 |
US5720577(A) |
申请公布日期 |
1998.02.24 |
申请号 |
US19950541046 |
申请日期 |
1995.10.11 |
申请人 |
CONTECH CONSTRUCTIONS PRODUCTS INC. |
发明人 |
SANDERS, DARRELL J.;SCHOULTIES, ALLAN P. |
分类号 |
E01F5/00;(IPC1-7):E01F5/00 |
主分类号 |
E01F5/00 |
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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