发明名称 Shoreline erosion control devices
摘要 An erosion control device for retarding shoreline erosion includes an elongated sheet with an elongated anchor extending along the elongated edges thereof to anchor the sheet to the sea bottom. A support located intermediate the elongated edges support the intermediate portions of the sheet above the sea bottom. The sheet has a plurality of openings located along the intermediate portions of the sheet to permit sand to accumulate under the sheet when the device is positioned underneath the water with the anchor anchoring the edges of the sheet to the sea bottom.
申请公布号 US4770561(A) 申请公布日期 1988.09.13
申请号 US19860946635 申请日期 1986.12.30
申请人 HOLMBERG, DICK L. 发明人 HOLMBERG, DICK L.
分类号 E02B3/04;(IPC1-7):E02B3/04 主分类号 E02B3/04
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