IP Library Granted Patent US 12,071,736
Granted Patent B2
US 12,071,736 · App. 17/154,537 · Granted Aug 27, 2024

Devices, systems and methods for erosion control

Inventor: Britt Faucette (Decatur, GA)
Assignee: Conwed Plastics Acquisition Company V LLC
E02D17/202B01D24/20B01D39/04B65D29/00B65D33/01B65D65/466C02F1/001E02B3/127E02D3/00B01D2239/0266C02F2103/001E02D2200/13E02D2300/00E02D2300/0004E02D2300/0037E02D2300/0071E02D2300/0078E02D2300/0079
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Quick Facts
Patent No.
US 12,071,736
App. No.
17/154,537
Granted
Aug 27, 2024
Kind
B2
Abstract

A high strength environmental control device comprising a mesh container having at least one interior and one exterior surface is provided. The interior of the mesh container can comprise a filler material. The mesh container can comprise a plurality of yarns, including viscose fibers, interlaced together.

Claims (52)

1. An environmental control device comprising:

a mesh container having at least one interior and one exterior surface and openings of a predetermined approximate size;

wherein the mesh comprises biodegradable viscose fibers;

wherein the interior of the mesh container comprises a filler material; and

further wherein the mesh container has a tensile strength of at least about 100 pounds per square inch.

2. The environmental control device of claim 1 , wherein the environmental control device is biodegradable.

3. The environmental control device of claim 1 , wherein tensile strength is determined using ASTM standard testing method D4595.

4. The environmental control device of claim 3 , further having a tensile strength of at least about 150 pounds per square inch using ASTM standard testing method D4595.

5. The environmental control device of claim 4 , further having a tensile strength of at least about 200 pounds per square inch using ASTM standard testing method D4595.

6. The environmental control device of claim 1 , wherein the mesh comprises interlaced yarns.

7. The environmental control device of claim 6 , wherein the yarns are interlaced by knitting or weaving.

8. The environmental control device of claim 6 , wherein at least some of the yarns are viscose fibers.

9. The environmental control device of claim 6 , wherein at least some of the yarns comprise two or more different fibrous components.

10. The environmental control device of claim 9 , wherein the fibrous components are selected from the group consisting of viscose, hemp, flax, and cotton fibers.

11. The environmental control device of claim 1 , wherein the mesh container is configured to be closed off at two opposed ends.

12. The environmental control device of claim 1 , wherein the mesh consists of viscose fibers.

13. The environmental control device of claim 1 , wherein the viscose fibers are fabricated from soft wood.

14. The environmental control device of claim 13 , wherein the wood is spruce or poplar.

15. The environmental control device of claim 1 , wherein the mesh container comprises one or more fibers selected from the group consisting of viscose, cotton, flax, and hemp fibers.

16. The environmental control device of claim 15 including a first yarn made from viscose fibers and a second yarn made from hemp fibers; and

wherein the viscose fiber yarn and the hemp fiber yarn are interlaced to form the mesh container.

17. The environmental control device of claim 15 including a first yarn made from viscose fibers and a second yarn made from cotton fibers; and

wherein the viscose fiber yarn and the cotton fiber yarn are interlaced to form the mesh container.

18. The environmental control device of claim 15 including a first yarn made from viscose fibers and a second yarn made from flax fibers; and

wherein the viscose fiber yarn and the flax fiber yarn are interlaced to form the mesh container.

19. The environmental control device of claim 1 , wherein the filler material includes a member selected from the group consisting of compost, composted organic materials, organic feedstocks, composted products, mulch, wood shavings, alum, lime, clay, pea gravel, gravel, sand, soil, wood chips, bark, peat, soil blends, straw, hay, leaves, sawdust, paper mill residuals, wood wastes, wood pellets, hemp, bamboo, biosolids, coconut fibers, coir, wheat straw, rice straw, rice hulls, oat straw, soybean hulls, palm wastes, palm leaves, agricultural waste products, manure, wool, hair, sugar cane bagasse, seed hulls, jute, flax, hulls, organic waste, cat litter, plant seeds, plugs, sprigs, spores, fertilizers, flocculants, chemical binders, water absorbers and combinations thereof.

20. The environmental control device of claim 1 , wherein the environmental control device filters water.

21. The environmental control device of claim 1 , wherein the mesh container degrades within at least thirty-six months of environmental installation.

22. The environmental control device of claim 1 , wherein the device has a tensile strength of at least about 200 pounds per square inch as measured using ASTM standard testing method D4595 and a yarn count of at least eight hundred deniers.

23. The environmental control device of claim 1 , further having an additional mesh through which an anchoring tool can be placed to secure the device onto the earth surface.

24. The environmental control device of claim 1 , wherein the mesh container has a diameter greater than about four inches.

25. A method of forming an environmental control system comprising:

providing one or more environmental control devices;

each environmental control device comprising a mesh container having at least one interior and one exterior surface and openings of a predetermined approximate size;

wherein the mesh comprises biodegradable viscose fibers and the interior of the mesh container comprises a filler material;

wherein the one or more environmental control devices are positioned on an earth surface in a perceived path of water flow or runoff such that the one or more environmental control devices will intersect the path thereby preventing or slowing the water flow or runoff; and

further wherein each of the mesh containers has a tensile strength of at least about 100 pounds per square inch using ASTM standard testing method D4595.

26. The method of claim 25 , wherein the mesh container degrades within thirty-six months of environmental installation.

27. The method of claim 26 , wherein the mesh is formed by woven or knit yarns.

28. The method of claim 27 , wherein the yarns are comprised of one hundred percent viscose fibers.

29. The method of claim 25 , wherein the one or more environmental control devices are positioned such that the water flow obstructed by the environmental control system is diverted to a different area, thereby creating a runoff diversion.

30. The method of claim 25 , wherein the earth surface is a coastal surface.

31. The method of claim 25 , wherein the environmental control system prevents erosion of an earth surface.

32. The method of claim 25 , wherein the water flow is that of stormwater.

33. The method of claim 25 , wherein the runoff carries substances which are not desired to spread in an environment.

34. The method of claim 25 , wherein the environmental control system is used for an application selected from the group consisting of erosion control, sediment control, perimeter control, sediment trap, sediment barrier, slope interruption, check dam, inlet protection, runoff diversion, concrete washout, biofiltration, bioswale, passive filtration, stormwater filtration, wastewater filtration, riser pipe filtration, stormwater pretreatment, wastewater pretreatment, bank stabilization, channel restoration, stream restoration, riparian restoration, wetland restoration, living shoreline restoration, oyster bag restoration, and combinations thereof.

35. An environmental control device comprising:

a biodegradable mesh container having at least one interior and one exterior surface and openings of a predetermined approximate size;

wherein the mesh comprises biodegradable viscose fibers; and

wherein the environmental control device has a tensile strength of at least about 100 pounds per square inch using ASTM standard testing method D4595.

36. The environmental control device of claim 35 , wherein the environmental control device has a tensile strength of at least about 150 pounds per square inch using ASTM standard testing method D4595.

37. The environmental control device of claim 35 , wherein the environmental control device has a tensile strength of at least about 200 pounds per square inch using ASTM standard testing method D4595.

Assignments (3)
CHANGE OF NAME Recorded Oct 4, 2022
From: CONWED PLASTICS LLC
To: SWM AMS, LLC
Reel/Frame 061596/0438 →
PATENT SECURITY AGREEMENT Recorded Jun 2, 2022
From: SCHWEITZER-MAUDUIT INTERNATIONAL, INC.; SWM LUXEMBOURG; CONWED PLASTICS ACQUISITION COMPANY V LLC; DELSTAR TECHNOLOGIES, INC.; SCAPA TAPES NORTH AMERICA LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 060254/0219 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 25, 2021
From: FAUCETTE, BRITT
To: CONWED PLASTICS ACQUISITION COMPANY V LLC
Reel/Frame 055416/0373 →
Continuity (2)
Provisional Application 62964021 · Jan 21, 2020
Related Publication 20210222388A1 · Jul 22, 2021