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Patent Searching and Data


Matches 451 - 500 out of 7,078

Document Document Title
WO/1993/011307A1
The invention relates to processes for local ground treatment, especially the testing and cleaning of a polluted ground in which a sample taken from the ground or polluted liquid arising from the polluted soil layer or polluted ground wa...  
WO/1993/004217A1
A system for impressed current cathodic protection of a structure having a corrodible metal reinforcing member comprising: a) an electron source having a positive terminal and a negative terminal connected to said corrodible metal reinfo...  
WO/1993/004238A1
A slab-like building element (1) made of a pressure-resistant material has projections (3 and 4) on both sides of the mid-plane (2). The projections (3) on the side of the slab that face the building (5) occupy a smaller surface than the...  
WO/1993/003241A1
The invention provides a corrosion resistant coating for a steel pole (10) destined to be embedded in the ground and is particularly suitable in highly corrosive soil regions, e.g. arid regions and includes a method of applying a cement ...  
WO/1993/002807A1
A laminated waterstop strip is placed on the top of a surface of a hardened concrete layer of footing of a building, prior to pouring of an additional layer preferably bentonite. The strip has a number of granular layers (88, 92) held wi...  
WO/1993/001440A1
Various constructions of prefabricated sleeve are described for fitting round pipes which are to have brickwork or foundation work in concrete made round the pipe. The sleeve acts to hold the mortar/concrete away from the pipe (12) until...  
WO/1993/000483A1
An apparatus for cutting soil and constructing containment barriers, such as for constructing a subsurface containment walls or bassins for contaminated material, comprises a beam (4) pivoted to a support (6) on the surface for abutting ...  
WO/1992/016316A1
An element for sealing and monitoring a body (1) comprises two seals (4, 5) separated from each other by supporting elements (6) with at least one open channel (7) between them. One or more sensors (18) are arranged at the outlet opening...  
WO/1992/014004A1
A method of building a structure (22) on a substrate (14), said method including the steps of providing on the substrate (14) a support arrangement capable of adopting a first, substantially rigid state whilst the structure (22) is being...  
WO/1992/013143A1
The invention calls for a pipe with perforated walls to be laid on, in or under the waterproofing, such as that located on and under waste dumps, to be monitored and if necessary repaired, the monitoring and repair operations being under...  
WO/1992/010617A1
The use of a mat as a protective mat for sealing webs is disclosed. The mat is composed of at least two superimposed, mutually spaced and linked textile flat structures (1, 2). A granulated material (3) is arranged between at least two o...  
WO/1992/006801A1
The invention provides a new method for sealing off a mass of waste which comprises: surrounding the mass of waste, stabilized waste or its placement side with at least one substantially continuous layer of porous material, the layer def...  
WO/1992/004504A1
An adjustable width split sleeve (13) adapted to be securely wrapped around an elongate member (15). Each end of the sheet is wrapped around a respective first rod. Each first rod is rotated about a second which is parallel and adjacent ...  
WO/1991/019862A1
The present invention concerns an isolation element for the isolation of vibrations and/or heat, which propagate/s in a medium such as soil, as well as the application of isolation element in an isolation arrangement. The isolation eleme...  
WO/1991/013225A1
The invention relates to an apparatus and a method for building a foundation for uprights, such as flagpoles, posts, pillars or the like, or for making passages e.g. for cables, tubes etc. The apparatus (1) includes a drive-shaft (3) equ...  
WO/1991/010782A1
System for protecting foundation walls and the like, said system comprising at least one main protecting sheet made of an imperforate, relatively thin, stiff material and including protrusions formed therein, for thereby providing air ch...  
WO/1991/009513A2  
WO/1991/009155A1
A grid electrode having a tailored surface for cathodic protection of steel rebar reinforced concrete structures comprising a plurality of valve metal strips having voids and optionally valve metal strips without voids, said strips havin...  
WO1991003441A3  
WO/1991/003441A2
The invention relates to a process for reutilizing organic refuse for the purpose of producing permanent humus, substrates and manure, in which the organic refuse is size reduced, composted and reutilized by decomposing it to humus produ...  
WO/1991/002850A1
A hazardous waste containment system for preventing the lateral migration of hazardous fluid substances into the water table, particularly for sites which are located over a fluid impermeable strata (20). The system uses an encircling wa...  
WO/1991/000395A1
A laminated sheet which is useful as part of an underground drainage system for a basement is disclosed, and which includes a layer of polystyrene and at least one layer of a polyolefin laminated to one side of the polystyrene layer. The...  
WO/1990/015908A1
A soil-sealing system for refuse dumps, roofs covered with vegetation, etc., comprises a sealing film (2) overlaid by a drainage layer (1) composed of overlapping sections of used tyres, and a filter layer (3). The drainage layer forms a...  
WO/1990/015290A1
The system for removing the soil gas from the ground surrounding the building structure (12), includes a drain tile system (10), a clean-out pipe (64), an air duct system (46), and a fan (60). The air duct system is securable to a clean-...  
WO/1990/014222A1
A liner (15, 25, 40) to prevent transmission of hydrocarbons from one location to another and from seeping into the ground has a flexible backing sheet (17, 26, 91) of suitable size which has one or more layers (16, 27, 42) of particles ...  
WO/1990/009488A1
Steel piling (1) for quays and other waterside structures has an anti-corrosion cladding fitted. Flexible or rigid water-impermeable sheets (4, 17) are used to trap a gel loaded with anti-corrosion agents against the piling and to exclud...  
WO/1990/008605A1
A process is useful for consolidating existing refuse dumps by injecting a suspension preferably of a hydraulic binder into the cavities in the dump under a pressure of up to 1200 bar. The process is also useful for sealing the layers of...  
WO/1990/007612A1
The prefabricated creep foundation in accordance with the invention is a building system for the laying of the foundations for a heated building with a beam structure above an enclosed, unventilated creep space. The foundations are const...  
WO/1990/006480A1
A method and system is disclosed for reversibly establishing a closed, flow-impervious cryogenic barrier (30) about a predetermined volume extending downward from a containment site on the surface of the Earth. An array of barrier boreho...  
WO/1989/012551A1
A barrier, particularly to methane and radon, employs a barrier layer (10) (preferably aluminium) encapsulated in protective layers (14, 16) which are bonded to all of its surfaces and extend beyond its main edges where they are mutually...  
WO/1989/007493A1
The refuse dump disclosed, comprising a basin (22) partly sunk in the ground (13), several insulating layers and degasing pipes (16), is characterized in that the following layers are superimposed in ascending order: a watertight layer (...  
WO/1989/005890A1
The invention relates to an apparatus for drawing off ground air under the foundation slab of a house. A tube (1) is placed in an excavation made some meters away from the house and the bottom end part of the tube is downwardly open and ...  
WO/1989/003913A1
An insulating structure for use in, e.g., road constructions, building foundations, roof structures, etc., includes at least two sections, each of which comprises a plurality of mutually adjacent insulating slabs. For the purpose of faci...  
WO/1989/002500A1
The present invention relates to a method of controlling the movements of a filling material or a similar material in conjunction with a rigid construction, for which purpose a compliant layer is created in backfill material in close ass...  
WO/1989/002505A1
The present invention relates to a method and an arrangement for influencing the interaction between a layer of earth and a structure situated in association with the layer of earth. What is characteristic of the invention is that a casi...  
WO/1989/002009A1
To force a feed press (6) with a continuously unwinding sheet coil (10) along a tunnel pipe consisting of individual members and located below the refuse dump (1) the soil is taken in at the front end and pushed out at the rear end by a ...  
WO/1989/001547A1
In the process described, sewage sludge or sludge from natural water sources is mixed with 30 to 70 wt. %, referred to the dry weight of the sludge, of a water-absorbent aggregate, the mixture so obtained is applied to the soil formation...  
WO/1988/006929A1
A bed structure for deposition of refuse and other waste materials comprises a pair of vertically spaced upper and lower liners or membranes (11, 12) and an intermediate layer (13) of porous material arranged between the liners. Electric...  
WO/1988/007205A1
A method and apparatus for determining the rate of flow of a leak (18) through a geomembrane (14) is set forth. In the preferred and illustrated embodiment, a surrounding lower skirt (30) having a peripheral weight thereabout (32) is pla...  
WO/1988/002739A1
A process for purifying contaminated materials, soils and liquids consists of adding to and mixing with the materials to be decontaminated at least latent hydraulic ash, the water/ash relationship being set within defined limits.  
WO/1987/005066A1
A pile wrapper is in the form of a flexible sheet (1, 2) which, when encircling a pile (11) has two contiguous edges. These have abutments (8) which are urged together by a power tool and fastened, conveniently by nuts (19) and bolts (18...  
WO/1987/003225A1
A waterproofing sheet (12) used to waterproof structures above and below grade has a single layer of non-degradable, water impermeable polymeric membrane (10) that has layers (11) of particles of non-hydrated sodium montmorillonite (sodi...  
WO/1987/001312A1
An in situ method of detoxifying a hazardous waste impoundment that contains randomly distributed hazardous waste without contaminating the ambient atmosphere which includes: moving a confined space defining shroud to a first station on ...  
WO/1986/007107A1
The method and device disclosed for the sanitation of waste dumping grounds (10) by post-laying of a liquid impervious layer are based both on the shield advance principle and on the longwall working method, the advance device being subs...  
WO/1986/004943A1
A protective screen for waste matter, for example household garbage, consisting of two sealing layers (1) and (2), a control filter layer (3) located between the latter, an injection line system (4) and a second line system (5), both of ...  
WO/1986/001554A1
A flexible foil material for controllable leakproof separation of the areas located on both of its sides, for example a drainage separating wall. In the intermediate area between two closed foils a two-dimensionally connected distance-pi...  
WO/1986/000657A1
The invention helps to find a way for creating a ventilated space on an existing floor damaged by moisture. On this way the resulting effects from moisture are held low. The invention consists of a moulding with the form of an inverted t...  
WO/1985/002877A1
Heating air is circulated in a closed system through a heat-accumulating bottom slab (14) in the house while supplying heat to the bottom slab or taking up heat therefrom. The heat supply from the bottom slab is directed towards the dwel...  
WO/1985/000395A1
Method for post leak-proofing or new insulation, particularly for building walls, and insertion element for implementing such method. When making a new insulation, the insulated layer to be applied to the surface to be insulated is compr...  
WO/1983/001205A1
A method of removing organic contaminants from an aqueous composition contaminated therewith. The method comprises contacting the aqueous composition with a sufficient amount of organoclay for a sufficient amount of time to absorb a subs...  

Matches 451 - 500 out of 7,078