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.
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
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