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WO/1999/013169 |
A safe stepping tool for a manhole or the like, comprising a tread (5 or 23) and side portions (6 or 24) disposed on both sides of the tread, wherein at least a top surface of the tread comprises a horizontal portion (11) extending from ...
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WO/1999/013170 |
The invention relates to a locking device to be mounted in the space between a cover (11) or grate and a surrounding frame (12) in openings in water and sewage systems and that prevents unauthorised opening. The locking device comprises ...
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WO/1999/009267 |
Precast concrete elements construction system, comprising two or more precast structural members having at least one steel bonding plate (6) provided with threaded joining means substantially centrally located and at least one hollow pol...
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WO/1999/006640 |
The invention provides a frame (20) for supporting a manhole cover (22); the frame (20) comprising an upstanding peripheral wall (28); support means (40, 42) extending inwardly from at least part of the wall for supporting the manhole co...
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WO/1999/004102 |
A retaining wall system 820) and method for stabilizin earthen walls. The system comprises wall panels (22) assembled together to form a reinforcing wall assembly and anchor mesh (24) connected to the wall panels and buried within the ea...
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WO/1999/003659 |
A concrete block having comparatively light weight and capable of being manufactured easily and used in various fields of application; a joint for the concrete blocks, capable of carrying out the arrangement of the concrete blocks simply...
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WO/1999/000553 |
A tool (1) serving for manually handling a well cover (22). The tool is constructed around a trilateral grating with a first, second, and third bar (3, 4, 5). At the top, the first bar (3) is provided with a handle (9), and at the bottom...
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WO/1998/058133 |
A retaining wall module (1) comprises a wall panel member (2) having a front and a rear provided with a connection member, such as a loop (10) at its rear and a footing member (4) mechanically connected to the panel member (2) by means o...
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WO/1998/054805 |
The invention provides a box (1) comprising four side panels (2) which are injection-moulded from a suitable rigid plastics material and further comprises a plurality of complementary locating members (10a-10f) integrally moulded with fi...
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WO/1998/053151 |
The manhole insert ring (32) of the present invention for manholes is mounted upon the existing cast iron ring (12) so that the composite manhole cover (30) can be rested therein. The ring (32) is preferably a single unit having an inner...
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WO/1998/051869 |
The inventive device is provided with angular support grids (2), said support grids being placed next to each other on the ground. The front faces of said support grids are covered with a geocompatible manufactured material (7), filled w...
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WO/1998/051870 |
The invention relates to a manhole cover for use especially with sewer manholes or such like installed in road surfaces (8). Said cover comprises at least one concrete ring which after installation receives a cover element (5) on an uppe...
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WO/1998/050991 |
A cover frame (2) for an electrode (1) for a device for transmitting heavy current over a sea, said device comprising a first conductor in the form of a cable, which is adapted to be placed on the bottom of the sea and to be connected to...
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WO/1998/049400 |
A retaining wall system (10) is defined which includes a plurality of tyres (11) arranged in a plurality of courses (14). The tyres can be offset within the wall and can be cut in various ways to advantageously improve the strength of th...
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WO/1998/040571 |
The invention relates to a shaft cover (1) having openings (2) through which a fluid medium is able to pass. Each of these openings (2) is fitted with at least one filter element (3) and the space left between the outer surface of the fi...
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WO/1998/040567 |
The frame (1) has two horizontal bearing surfaces (6A, 6B) and two sloping support surfaces (6C, 6D) adapted to co-operate with matching support surfaces (12A, 12B, 12C, 12D) integral with the covering element. The sloping support surfac...
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WO/1998/039521 |
This invention includes repair of an existing underground sump (10) without the need for costly and time consuming excavation. A plurality of liner-forming pieces (34) are placed inside the underground sump (10) to create a liner (48) pr...
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WO/1998/038391 |
The subject of the invention is an element (1) for forming ground covering, restraining and reinforcing structures, particularly for forming retaining walls. The element (1) is constituted by a single wire-netting panel and is divided in...
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WO/1998/036130 |
A sliding member (22) is interposed between a bearing portion (13) formed on the head of a pile (12) and a connection (19) formed on a lower portion of a footing (18) to form a pile head connection in a roller support structure or pin st...
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WO/1998/035107 |
The molded plastic extension member (14, 40) for use in increasing the height of manholes (12), or catch basins when surfacing or resurfacing a roadway. The extension member (40) may be formed having a sloping upper planar support surfac...
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WO/1998/033988 |
Sealing section (1) for tunnel segments, comprising a body (2) provided with fastening means for fastening the section to a longitudinal edge (8) of a first tunnel segment (9), and a nose part (5) extending from the body, which nose part...
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WO/1998/033987 |
The invention concerns a trellis construction for back-filling with loose material, the trellis construction comprising trellis elements (2) having a quadrangular, preferably rectangular, contour with a flat, at least partially superfici...
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WO/1998/031878 |
A retaining wall (10) having a height of greater than ten feet which includes a lower section of inextensible reinforcements (28a-e) and an upper section of extensible reinforcements (32f-h). By the use of inextensible reinforcements in ...
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WO/1998/031879 |
A base (12) for a manhole or catch basin structure having an embedded plastic canal-bed liner (10) and a corresponding hood (100). The plastic liner (10) has an annular, outwardly extending flange (30) which becomes embedded in a sidewal...
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WO/1998/029329 |
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 ...
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WO/1998/027285 |
The invention relates to a device for adjusting the height of the cover of manhole covers on roadway surfaces, for the installation of the normally ring-shaped manhole frames. Said device comprises a divided insertable part (2) with an i...
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WO/1998/022663 |
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...
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WO/1998/020207 |
A concrete masonry unit having a top surface with a splitting pattern formed therein. The splitting pattern has a splitting groove which intersects at least one recessed region formed in the top surface.
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WO/1998/017866 |
A cellular construction, in particular a supporting or sound insulating construction capable of being greened, is filled with earth, rocks or bulk materials (EG) in cells (Z) arranged in particular in layers. The cells are at least parti...
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WO/1998/015693 |
This invention relates to a geogrid structure which is comprised of two or more layers (2, 3) of rigidly bonded flexible mesh structures. The mesh openings of each layer (2, 3), without superimposing, overlay mesh openings of other layer...
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WO/1998/013556 |
A large tank production method which makes it possible to producea large tank which cannot be produced on the ground. A floating base station (1012) is disposed on the sea in such a manner as to encompass a first spherical shell portion ...
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WO/1998/006907 |
To secure a polymeric strip (5) to a facing (10) of a reinforced soil structure, the strip (5) is circumflected about a plastics rod (4) and the circumflected strip and the rod are interposed between two or more blocks (1, 2) in a cavity...
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WO/1998/003737 |
An element (5) engageable with one or more other similar elements (5) is disclosed. The element includes a recess (10) in its outer surface for casting a concrete stringer (43) and reinforcements (15). The free end of at least one rigid ...
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WO/1998/003736 |
A foundation element comprises a rigid monolithic prefabricated frame (10) which includes at least two opposite containing side walls (12) and cross-members (14) interconnecting the two side walls (12) so as to form a casting through-cav...
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WO/1998/002617 |
Modular dismountable box comprised of a plurality of subdivision panels (33), provided with closing lids (34) ang grids (39), and having modules (31) with a slit (36) and a longitudinal rib (38), the slit (36) being arranged in the right...
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WO/1998/001629 |
Two types of service units (5 and 10) are used in district heating establishments, arranged in shafts requiring a person to descend into the shaft. According to the invention the service units (5 and 10) are moved from a road surface (1)...
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WO/1997/049872 |
The invention relates to a sewer system manhole comprising a covering part (5, 101) and a manhole lower section (3) insertable into the ground (2). A covering part (5, 101) which can in particular be incorporated into a pavement in the f...
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WO/1997/048859 |
A top piece (4) for a manhole structure (1) for, for example, a sewer system comprises an access part (6) and a cone (5) which connects to the access part (6) and can be placed on a manhole structure shaft (3) with a peripheral edge (17)...
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WO/1997/047822 |
A woven fabric mat produced from a tough and strong construction fiber to be used for ground reinforcing such as soft foundation and reclaimed land reinforcing or as a shield curtain and laid down on the ground surface, and a fastening a...
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WO/1997/047825 |
A composite concrete reinforced corrugated metal arch-type structure comprises: i) a first set of shaped corrugated metal plates (78) interconnected in a manner to define a base arch structure with the corrugations extending transversely...
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WO/1997/044533 |
A retaining wall for reinforced infill material is constructed from modular blocks (1). Versatility and stability in building vertical or sloping, straight or curved walls is achieved whilst maintaining secure attachment of the blocks to...
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WO/1997/043490 |
A submerged tunnel with buoyant suspension (1) for a road and/or rail connection between two shores (2) which are separated by an expanse of water (3) and in the region of which the tunnel (1) has respective ends (4) comprises a pluralit...
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WO/1997/043489 |
In the construction of a steep embankment a planar front grid (2) is used, said grid being positioned with a given inclination corresponding to the completed embankment, immediately adjacent the front of the completed embankment. At a po...
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WO/1997/041311 |
The disadvantage of known moulded concrete block assemblies and moulded concrete blocks is that when assembled into retaining walls the corner areas reveal faces with visually undesirable cavities. To avoid this disadvantage, the moulded...
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WO/1997/039196 |
An earth structure (1) comprising a plurality of facing panels (2), a stabilised earth mass behind the facing panels and a plurality of supports (4; 30; 40; 50) for supporting the facing panels, said supports having rearwardly located po...
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WO/1997/038174 |
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 ...
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WO/1997/037086 |
The present invention relates to a device for mounting an access cover (60) in a wearing surface, for example a road surface, having a wear course (7) overlying a base course (8), the device comprising a service frame (50) in which the c...
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WO/1997/036057 |
A reinforcement frame for structures and a method of constructing building structures utilizing the same reinforcement frame are provided. This reinforcement frame for structures is formed by binding base plates and joint plates by conne...
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WO/1997/035076 |
The invention relates to a covering for a sewage manhole having a manhole cover (1) provided with openings (2) to allow passage of sewage. A filter element (3) is arranged on the lower side of said manhole cover and covers the region of ...
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WO/1997/033048 |
The present invention provides a casting positioning apparatus and a method, for positioning a casting in relation to an upper end of a manhole, which comprises an inner sleeve comprising a rigid hollow cylinder (52) having an annular fl...
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