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Self-closing interlocking sandbags and process for erecting dams therefrom
Self-closing interlocking sandbags and process for erecting dams therefrom
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机译:自闭合联锁式沙袋及其上筑坝的方法
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摘要
A bag that self-closes from pressure of material insertable into the bag comprising (A) an openable overlapping elastic structure in which an innermost elastic material is disposed to completely cover an opening in the bag; and (B) an outermost elastic material disposed to completely overlap the innermost elastic material.
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