专利名称：Box culvert
发明人：Darrell J. Sanders,Allan P. Schoulties申请号：US08/541046申请日：19951011公开号：US05720577A公开日：19980224
摘要：A box culvert formed from a plurality of corrugated sections. Reinforcing ribsare secured to the outside surface of the culvert. A universal receiving channel is providedfor each lower edge of the culvert and may be used to secure lower edge portionsextending at different angles relative to horizontal. A rib configuration is disclosed whichresults in manufacturing and material savings.
申请人：CONTECH CONSTRUCTIONS PRODUCTS INC.
代理机构：Wood, Herron & Evans, LP.
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