Biodegradable slit and expanded erosion control cover
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United States of America Patent
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May 4, 1993
Grant Date -
N/A
app pub date -
Oct 4, 1991
filing date -
Oct 4, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An erosion control blanket is made of recycled, biodegradable slit and expanded sheets of paper. A plurality of layers are provided and are oriented such that the slope of the baffles in the grid pattern of the paper may be disposed in a positive or negative direction relative to the slope. The upper layers promote runoff of water for reducing erosion. The lower layers trap the water which passes through the blanket, passing it into the soil, and trap loose soil particles. The open grid pattern provided by the slit and expanded paper provides ample air space for promoting the germination and growth of seeds.
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Cited Art Landscape
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