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Patent Searching and Data


Matches 351 - 400 out of 7,078

Document Document Title
WO/1998/059117A1
A land drain (1) to be used for the electrokinetic drainage of soil is made by integrally extruding a biplanar mesh structure tube (2) of electrically-conducting plastics material so that the tube (2) is of trellis construction. Every al...  
WO/1998/058134A1
The present invention concerns a manufactured article (10, 20) impervious to water, said water being rain water and/or water coming from a water-bearing stratum and/or from concrete, to be used in building of habitations and/or factories...  
WO/1998/055701A1
The invention relates to a collecting vessel designed to collect environmentally hazardous liquids and serving as a safety substructure for industrial facilities, store tanks, transformers, discharging plants or the like. The collecting ...  
WO/1998/049401A2
Arrangement and apparatus for soil air monitoring, paving sealing examination and soil air extraction with regard to the soil (25) under a liquid-tight and/or gas-tight floor (27) of a location, in particular for examining the degree of ...  
WO/1998/043800A1
A pre-stressed plastic or metal sheet structure for use primarily as reinforcement in civil engineering applications is produced by forming an array of bulges in the sheet to pre-stress it in all directions in the plane of sheet (5), and...  
WO/1998/040565A1
The invention concerns a sealed edge connection and a method of producing the same between a base layer and a structural member in underwater or overflow regions of bodies of water. In this respect, a first base layer (3) is brought up t...  
WO/1998/031770A1
The invention concerns a method of covering, securing and, if necessary, sealing soil or soil regions with polymer films which are watertight or water-repellant for a predeterminable amount of time. According to the invention, these poly...  
WO/1998/029329A1
The invention involves a two step process to upgrade the submersible pump area in a manner that will prevent releases from entering the soil. The first step entails forming the sidewalls of the in-place containment sump using fiberglass ...  
WO/1998/029614A1
A method of upgrading the area below a dispenser to contain accidental release harmful materials from contaminating the soil below grade without repiping, electrical changes, or concrete disruption.  
WO/1998/029613A1
A system for preventing release from an underground storage tank (10) from further migrating into surrounding geological formations and groundwater includes a low permeable layer (15) surrounding the tank field and a set of horizontal pi...  
WO/1998/024566A1
A method is disclosed for constructing, verifying and maintaining underground vaults that isolate and contain radioactive burial sites. The method employs a buoyant lift technique to isolate a block of soil (78) containing the contaminan...  
WO/1998/022669A1
A ground surface (10, 77, 142) especially for transport surfaces, pathways, industrial and trade areas, horticultural and agricultural surfaces, whose surface (10, 77, 142) superstructure (13-16, 55-60, 99-102) contains at leat one barri...  
WO/1998/022663A1
A flotation system for a building (300) is disclosed including a watertight basement (540) having a unitary piece of concrete forming the floor and walls (615) of the watertight basement (540). Rollers (610) are attached to the watertigh...  
WO/1998/017870A1
An elasticized geosynthetic panel, geofoam composition, and method operable for permitting controlled deformation of earth materials adjacent a rigid earth retaining or the like. The panel (20) includes a drainage component (30), a water...  
WO/1998/001630A1
A capillary barrier (1) for sealing external surfaces, particularly of waste dumps and abondoned disposal sites, is proposed which includes at least one capillary block (4), wherein the capillary block (4) is composed of a layer of rough...  
WO/1997/049873A1
A landfill site is lined by attaching an impermeable line (90) to a support structure for the purpose of containing waste material and preventing substances from draining or being leached from the waste into the subsoil. The support stru...  
WO/1997/045211A1
A method and system for collecting and containing leachate from a landifll uses a submerged drainage sink (2) to develop a flow pattern towards the drainage sink (2) contained within a containment zone, and therefore minimizes the chance...  
WO/1997/044145A1
A landfill liner comprising clay and lime for capturing certain leachate contaminants, particularly potentially toxic heavy metals. The lime acts to absorb significantly more of the potentially toxic heavy metals than would a conventiona...  
WO/1997/038174A1
There is disclosed a method of lining a side face (11) of a landfill site comprising the steps of erecting a framework (10) including laterally spaced substantially vertically extending members (12) adjacent the surface of the side face ...  
WO/1997/036059A1
A geotextile laminate (1) comprises a layer of geotextile material (2) and at least one channel (3) formed within the layer (2). The layer (2) comprises a composite material formed from non-woven fabric (31) needled together. The sleeves...  
WO/1997/036060A1
A water and oil impermeable geosynthetic clay liner formed by supporting a layer (10) of bentonite on an impermeable plastic layer. Integrally formed protrusions (14) extend from one surface of the plastic layer to support a permeable pl...  
WO/1997/034055A1
The invention relates to a method for protecting the soil (6) against contamination caused by the contents of a storage tank (7, 8) present in or on the ground, wherein a sealing system forming a seal at its bottom side (8) is placed in ...  
WO/1997/034054A1
The invention concerns a method for protecting the soil against contamination caused by the contents of a storage tank present in or on the ground, wherein a sealing system forming a seal at its bottom side is placed in adjoining relatio...  
WO/1997/026416A1
The method of waste dump isolation and its isolation layer, with the isolation layer (5) consisting of plastics with the character of a foil (2), which is furnished with a layer of bentonite or another material with non-crawling properti...  
WO/1997/024495A1
A waterproof membrane (1) for use as a waterproof barrier between or externally to building components, the said membrane (1) having protrusions or studs (6, 7, 8, 9) which function as distance pieces in order to ensure ventilation or dr...  
WO/1997/011232A1
A structure for preventing frost heaving damage to an underground structure, capable of being applied easily and inexpensively to many kinds of underground structures, having a durability and provided with a plate type reaction force gen...  
WO/1997/009486A1
A drainage wall device prevents an underground flow of water from penetrating in a ground or underground area (11) and essentially comprises drainage wells (6) connected at their ends to each other by a counter-balancing drainage gallery...  
WO/1997/003253A1
A modified bitumen sheet material (12) and method for a protective moisture barrier, particularly for masonry surfaces (42). The sheet material has a bitumen layer (14) modified by the addition of a minor amount of a long-chain polybutad...  
WO/1996/039561A1
A method of remediating fluids leaked from a storage tank (2) placed so as to communicate with an underground cavity (24) lined with an impervious liner (26) and having permeable medium (6) interposed between the tank and liner. The meth...  
WO/1996/038639A1
An element (3) such as cylindrical or non-cylindrical tubular element, a column, or a beam, comprises a layer of plastically deformable energy absorbing material such as lead (2) over at least part of an external and/or internal surface ...  
WO/1996/037664A1
A device for the disposal of solid city waste, waste of a special kind, or toxic/harmful waste, comprising a polymeric cylindrical geomembrane let down into a bore (1) realized in a kind of soil having a degree of permeableness such that...  
WO/1996/031660A1
An underground cut-off drain system (1) for controlling liquids flowing in the ground in the vicinity of hazardous material (2), for example, radioactive waste, comprises a vertical band drain (7) and at least one filter layer (8, 9). Th...  
WO/1996/025663A1
A testing technique for simulating the behaviour under subsidence conditions of a capping for a land waste disposal site. A scale model strip of the capping (29) is located within a casing (13) so as to extend over a fixed member (18) an...  
WO/1996/025563A1
A capping (4) for a land disposal site for waste material (3), particularly hazardous waste, includes a water barrier layer (15) which may comprise a mixture of sand and bentonite. The barrier layer (15) has a peripheral portion comprisi...  
WO/1996/021931A1
A radon protection device comprises an active carbon layer (100) and a protective layer (102) arranged on one surface of said active carbon layer (100) which is permeable to radon and moisture-proof or repellent. In a further embodiment ...  
WO/1996/011074A1
A hazardous waste barrier system for preventing the generally lateral, subterranean migration of certain fluid substances (including both liquid and gaseous fluids) beyond an established perimeter, while providing controlled collection o...  
WO/1996/011304A1
A system for use in preventing a flow of gas from a gas-containing region (120) to an adjacent region (22) and/or for collecting or dispersing gas at the interface between the regions, comprising a composite barrier (10) installed so as ...  
WO/1996/008611A1
Disclosed is a method for sealing soil formations, wherein a mineral sealing layer consisting of cohesive soil and an additive is deposited on the soil formation and then mechanically compressed, the additive used being dry, sewage or wa...  
WO/1996/006734A1
The invention relates to a stabilized fluid barrier member (30) and to methods of forming the same. The fluid barrier comprises a first outer sheet member (32) having a top surface (34) and a bottom surface (36), with a stabilizer elemen...  
WO/1996/006987A1
A high shear strength clay liner comprising two synthetic geotextiles (1a, 1b) and a semihydrated layer (1c) of swellable clay therebetween with fastening means (5) arranged in such a pattern of connecting threads to form pockets (7) thr...  
WO/1996/005335A1
An improved process that is commercially practical for forming an oxide film cobalt conversion coating exhibiting corrosion resistance and paint adhesion properties on an aluminum or aluminum alloy substrate for use in aircraft/aerospace...  
WO/1996/003551A1
A basement enclosure is provided with an outer shell (17) which is constructed of a material impermeable to moisture and gas. The basement enclosure may be free standing or hung from beams (12) which are supported by columns set on a con...  
WO/1996/002373A1
The invention provides a method for manufacturing a multi-purpose building material from domestic and/or industrial waste materials, wherein the waste materials comprise between 20 % and 65 % (w/w) plastic material. The invention also pr...  
WO/1996/001929A1
A method and article for sealing a manhole riser, a catch basin, and a pipe juncture. The method is an economical process whereby elastomeric bands are placed around and inside a manhole riser, a catch basin, or a pipe juncture and effec...  
WO/1995/033894A1
The present invention concerns a method of sealing earth structures, in particular for isolating waste or for creating controlled waste dumps without drainage. The method involves the creation of three separate mineral sealing layers: th...  
WO/1995/031609A1
A bead (10) for forming a barrier layer over an underwater surface. Generally, a plurality of such beads are required to form an effective underwater barrier layer. Each of the beads comprises a core (11), preferably formed of a piece of...  
WO/1995/029772A1
An advancing freeze front is established in a porous region (16) adjacent to or within contaminated earth (12). A flow of contaminated liquid phase water migrates toward the freeze front and a concentration of impurities is established i...  
WO/1995/027616A1
A sealing sheet (60) includes a first or primary layer (62) of liquid impermeable material, having a roughened upper surface (64). A second layer (66) of granules, preferably bentonite granules, preferably formed of two bentonite sublaye...  
WO/1995/025850A1
A strudded web for building purposes from a sheet or plate made from high-tenacity material, preferably high density polyethylene (HDPE) has studs (2) shaped out of the sheet or plate, and has at least one studless marginal strip (3) run...  
WO/1995/023041A1
The invention concerns a method of absorbing organic pollutants (1) such as oil, tar or phenols in soil (12), rubble or solid-waste dumps, floating on and/or suspended in water or in a reservoir-type waste dump, the pollutants including ...  

Matches 351 - 400 out of 7,078