Claims
- 1. A silt retention sheet comprising:
a water-permeable non-woven web; and, at least one reinforcing element attached to said water-permeable non-woven web at a predetermined location for receiving a fastener for attaching the silt retention sheet to a support member.
- 2. The silt retention sheet of claim 1, wherein said water-permeable non-woven web comprises spun bond polyester.
- 3. The silt retention sheet of claim 1, wherein said reinforcing element comprises a woven or non-woven band.
- 4. The silt retention sheet of claim 3, wherein said band comprises a plurality of reinforcing strands.
- 5. The silt retention sheet of claim 4, wherein said plurality of reinforcing strands comprises fiberglass.
- 6. The silt retention sheet of claim 1, further comprising a second water-permeable web layered on said first water-permeable non-woven web.
- 7. The silt retention sheet of claim 6, wherein at least one reinforcing element is disposed between a portion of said water-permeable non-woven web and a portion of said second water-permeable non-woven web.
- 8. A silt retention sheet comprising:
a first water-permeable web; a second water-permeable web layered on said first water-permeable web; and, at least one reinforcing element disposed between a portion of said first water-permeable web and a portion of said second water-permeable web.
- 9. The silt retention sheet of claim 8, wherein at least one of said first and said second water-permeable webs is non-woven.
- 10. The silt retention sheet of claim 9, wherein said non-woven web comprises spun-bond polyester.
- 11. The silt retention sheet of claim 8, wherein said at least one reinforcing element comprises a plurality of reinforcing bands positioned at spaced locations along said first and second water-permeable webs.
- 12. The silt retention sheet of claim 8, and wherein said at least one reinforcing element comprises a series of strands woven or spun to form a band.
- 13. The silt retention sheet of claim 12, further comprising an array of reinforcing bands applied at selected portions of said first water-permeable web.
- 14. A silt retention sheet comprising:
a first water-permeable non-woven web; a second water-permeable non-woven web layered on said first water-permeable non-woven web; and, a plurality of reinforcing elements disposed at selected locations between said first water-permeable non-woven web and said second water-permeable non-woven web.
- 15. The silt retention sheet of claim 14, wherein said reinforcing elements each compose a series of woven or spun strands of a reinforcing material extending along said first and said second water-permeable non-woven webs.
- 16. The silt retention element of claim 14, wherein said plurality of reinforcing elements are aligned parallel to each other.
- 17. The silt retention element of claim 14, wherein said first and said second water-permeable non-woven webs comprise spun bond polypropylene.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority to U.S. Provisional Application Serial No. 60/406,176, filed Aug. 27, 2002, which is incorporated by reference herein in its entirety.
Provisional Applications (1)
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Number |
Date |
Country |
|
60406176 |
Aug 2002 |
US |