发明名称 Flexible sheet dams
摘要 A flexible sheet dam is secured to the riverbed along two securing lines at upstream and downstream sides. In this dam, at least one concave and/or convex region is made in the plane of the riverbed between the two securing lines in a direction parallel to the securing lines, whereby the complete deflation of the dam can be attained without trouble.
申请公布号 US4836713(A) 申请公布日期 1989.06.06
申请号 US19860918441 申请日期 1986.10.14
申请人 BRIDGESTONE CORPORATION 发明人 MURAMATSU, TATEO;SAITO, HIDEAKI;TAKASAKI, MAMORU;ENAMI, YASUSHI
分类号 E02B7/00 主分类号 E02B7/00
代理机构 代理人
主权项
地址