US5980155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite geosynthetics and methods for their use
Assignee: Newcastle University Ventures Ltd
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Filing: 1995-02-10
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Granted: 1999-11-09
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Expires: 2015-02-10
Abstract
Abstract The invention relates to a novel geosynthetic which in a first embodiment comprises a composite geosynthetic comprising reinforcement material embedded in a drainage material; and in the second embodiment of the invention there is provided an electrically conducting geosynthetic which may be used in isolation or which may, alternatively, form a part of the composite geosynthetic.
Inventors
- 👤 Colin John Jones
- 👤 Kjell Eng
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:18
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; B32B15/00; B32B15/04; B32B15/08; B32B15/085; B32B15/18; B32B27/06; B32B27/08; B32B27/32; B32B5/00; B32B5/22; B32B5/24; B32B5/26; D; D04; D04H; D04H13/00; E; E02; E02D; E02D17/00; E02D17/20; E02D17/202; E02D3/00; E02D3/02; E02D3/10; B32B2311/00; B32B2311/30; B32B2323/00; B32B2323/10; B32B2457/00; B32B2457/10
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
64 words
A composite geosynthetic comprising a first reinforcement material and a first drainage material adjacently disposed to one another, wherein at least one of said first reinforcement and said first drainage material comprises electrically conductive material so that at least one of said first reinforcement material and said first drainage material is electrically conducting whereby the composite geosynthetic is adapted to act as an electrode.
Claim 2
Dependent Claim
64 words
A composite geosynthetic comprising a first reinforcement material and a first drainage material adjacently disposed to one another, wherein at least one of said first reinforcement and said first drainage material comprises electrically conductive material so that at least one of said first reinforcement material and said first drainage material is electrically conducting whereby the composite geosynthetic is adapted to act as an electrode.
Claim 3
Dependent Claim
47 words
A composite geosynthetic according to claim 1, further comprising a second drainage material, wherein said first reinforcement material is interposed between said first drainage material and said second drainage material so that equal amounts of said drainage material are provided on either side of said reinforcement material.
Claim 4
Dependent Claim
15 words
A composite geosynthetic according to claim 1, wherein said first reinforcement material is electrically conducting.
Claim 5
Dependent Claim
16 words
A composite geosynthetic according to claim 1, wherein said first drainage material is a planar geosynthetic.
Claim 6
Dependent Claim
18 words
A composite geosynthetic according to claim 1, wherein said first drainage material is made of a polymeric material.
Claim 7
Dependent Claim
14 words
A composite geosynthetic according to claim 5, wherein said polymeric material includes polypropylene fibers.
Claim 8
Dependent Claim
24 words
A composite geosynthetic according to claim 1, wherein said first drainage material has meshed core spaces therein and comprises filler on both sides thereof.
Claim 9
Dependent Claim
15 words
A composite geosynthetic according to claim 1, wherein said first reinforcement material is a geogrid.
Claim 10
Dependent Claim
30 words
A composite geosynthetic according to claim 1, wherein said electrically conducting material comprises a composite layer being held by stitching wherein said stitching is made of an electrically conducting material.
Claim 11
Dependent Claim
18 words
A composite geosynthetic according to claim 9, wherein said composite layer comprises at least one layer of polypropylene.
Claim 12
Dependent Claim
19 words
A composite geosynthetic according to claim 9, wherein said composite layer comprises at least one layer of metallic polypropylene.
Claim 13
Dependent Claim
24 words
A composite geosynthetic according to claim 9, wherein said composite layer comprises at least one layer of polypropylene and one layer of metallic polypropylene.
Claim 14
Dependent Claim
16 words
A composite geosynthetic according to claim 9, wherein said electrically conducting material comprises stainless steel thread.
Claim 15
Dependent Claim
18 words
A composite geosynthetic according to claim 9, wherein said composite layer comprises polypropylene layered one top of another.
Claim 16
Dependent Claim
26 words
An electrically conductive geosynthetic comprising said geosynthetic of claim 1 which further comprises at least one electrically conducting filament, said filament being woven or threaded therein.
Claim 17
Dependent Claim
12 words
A composite geosynthetic according to claim 15, wherein said filament is multistranded.
Claim 18
Dependent Claim
23 words
A geosynthetic according to claim 16, wherein said filament is a composite yarn, wherein said yarn includes at least one electrically conducting filament.
Claim 19
Dependent Claim
29 words
An arrangement comprising a pair of composite geosynthetics adapted to act as electrodes according to claim 1, separated by ground material, the electrodes being adapted to be oppositely charged.
Claim 20
Dependent Claim
53 words
A method of improving the consolidation and reinforcement of soil and/or removing or electrosorbing contaminants from soil under the action of an electric field using a mechanism selected from the group consisting of electro-osmosis, electromigration and electrophoresis comprising providing an arrangement according to claim 18 and applying an electric field between the electrodes.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-11-08 | 2003-05-10 | 2003-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-11-08 | 2007-05-10 | 2007-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-11-08 | 2011-05-10 | 2011-11-09 | $7700.00 | Window Closed / Lapsed |