Self-closing interlocking sandbags and process for erecting dams

Details Self-closing interlocking sandbags and process for erecting dams Self-closing interlocking sandbags and process for erecting dams

1995-06-19

1997-09-23

Graysay, Tamara L.

Hydraulic and earth engineering

Bank, shore, or bed protection

Revetment

405 18, 405 19, E02B 312

Patent

active

056697325

ABSTRACT:
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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patent: 3806025 (1974-04-01), Marshall
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patent: 3957098 (1976-05-01), Hepworth et al.
patent: 3992832 (1976-11-01), Dicker
patent: 4449847 (1984-05-01), Scales et al.
patent: 4592675 (1986-06-01), Scales et al.
patent: 4690585 (1987-09-01), Holmberg
patent: 5120138 (1992-06-01), Midgley et al.
patent: 5176452 (1993-01-01), Stern

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