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| Number | Title | Issue Date |
| 8118519 | Grout and lifting tube A grout and lifting tube for casting within a concrete segment. The tube provides enhanced sealing between the tube and the concrete to prevent moisture leakage into a structure formed by a plurality of the concrete segments. The tube includes a generally cylindrica... | 02/21/2012 |
| 7828496 | Watertight joint seal for concrete structures The invention is a watertight joint seal for precast concrete box modules used to form underground enclosures to control the discharge of water runoff from roads and parking areas. The modules become sections of a tunnel structure, and the joint seal of the inventio... | 11/09/2010 |
| 7404694 | Method and device for stabilizing a cavity excavated in underground construction A compression body is inserted into the contraction joint between two tunnel lining elements, which body deforms in response to a compressive load caused by the tunnel lining elements moving towards each other. The compression body is composed of a material containi... | 07/29/2008 |
| 7004679 | Easily-cuttable tunnel segment structure The present invention relates to a novel easily-cuttable tunnel segment structure used for the departure of a shield machine from a main tunnel to a branch tunnel or the return to the main tunnel from the branch tunnel, and provides an easily-cuttable tunnel segment... | 02/28/2006 |
| 6616377 | Device for joining tunnel segments A coupler device for joining together two segments of a tunnel or shaft lining ring, the device being characterised by a double ended male dowel having an externally grooved cylindrical portion adjacent to both ends. This dowel engages in recesses cast in... | 09/09/2003 |
| 6592296 | Sealing assembly for tunnel construction sections A sealing assembly comprising two abutting components and a sealing profile produced from an elastomeric material, which bridges the gap between the two components to form a seal. The components are configured in particular as sections which are assembled... | 07/15/2003 |
| 6575664 | Sealing arrangement A sealing arrangement which comprises at least two abutting components that form a gap therebetween and a seal that sealingly bridges the gap. The inventive sealing arrangement is characterized in that the seal entirely consists of a matrix or is provided... | 06/10/2003 |
| 6554536 | Linings for sewers During manufacture of a sewer or tunnel lining section, sand-resin material is deposited over a mould, to define a central part of the section. Sand-resin material is removed using a wire arranged to lie a predetermined radial distance from the surface of... | 04/29/2003 |
| 6450734 | Transportation underwater tunnel system An underwater tunnel system for vehicular traffic flow, including rail, automobile and truck traffic connecting the shores of opposed land masses separated by a body of water draws heavily from submarine manufacturing and modular construction technology. ... | 09/17/2002 |
| 6431789 | Method and apparatus for adjusting fiberglass manholes A fiberglass manhole adjustment ring comprising a fiberglass pipe and a self-centering lip attached to the edge of the pipe, and a method for installing the fiberglass manhole adjustment ring in an existing fiberglass manhole. The self-centering lip can e... | 08/13/2002 |
| 6368020 | Lining element for a drilled tunnel The invention relates to a concrete lining element for a drilled tunnel, which element is formed as a ring segment and is internally reinforced, and a plurality of which ring segments can be joined together to form a ring, and a plurality of rings can be ... | 04/09/2002 |
| 6328501 | Method of manufacturing a tunnel or shaft lining or pipeline A method of manufacturing a tunnel (10) or shaft lining or pipeline of segments (12), wherein each segment (12) comprises a concrete body (11) having an extrados (13) surface, an intrados (14) surface and first and second ends (15, 16) and first and secon... | 12/11/2001 |
| 6267536 | Sealing arrangement for tunnel segments A sealing arrangement (1) has two abutting construction elements made of concrete, steel, reinforced concrete, cast iron or other materials, as well as a sealing section made of an elastomer material which sealingly bridges the gap between the two constru... | 07/31/2001 |
| 6243994 | Joint for pre-cast concrete twin-leaf arch sections A joint for pre-cast concrete twin-leaf arch sections is self-aligning when the two arch sections are initially brought into abutting contact with each other. The joint provides a rigid connection between the twin units and is achieved on site by means of... | 06/12/2001 |
| 6238139 | Sealing arrangement A sealing arrangement includes face walls of two construction parts made of concrete, reinforced concrete or the like, these face walls being pressed against each other, particularly of tunnel tube segments, as well as a strand shaped seal made of elastom... | 05/29/2001 |
| 6129485 | Seal and process for producing such seal The invention relates to a seal between a side face of a first part (11) and an application face (10), the seal being made of a compressible profiled lining (1) and being comprised of an internal portion (2) sealingly fixed to the first part (11) and an e... | 10/10/2000 |
| 6076995 | Segments One end of a circumferential joining end surface 2 of segments 1 which are joined together in the circumferential direction of an excavated tunnel is made the male side circumferential joining end surface 2a on which a male coupler 4 is provided, and the ... | 06/20/2000 |
| 6032421 | Structural blocks for building a basement, block manufacturing method, block transporting method, and block installing method A basement unit comprises a reinforced concrete lower structural block having a floor portion and surrounding walls and at least one reinforced concrete upper structural block having surrounding walls and the same shape as the lower structural block in pl... | 03/07/2000 |
| 5899635 | Transportation underwater tunnel system An underwater tunnel system for vehicular traffic flow, including rail, automobile and truck traffic connecting the shores of opposed land masses separated by a body of water draws heavily from submarine, manufacturing and modular construction technology.... | 05/04/1999 |
| 5540522 | Seismic joint for underwater floating tunnels This invention provides a seismic joint for an underwater floating tunnel having: (a) a joint portion (i) having a transverse section essentially the same as that of the tunnel, (ii) being rigidly fastened to land at one end (A) thereof, and (iii) being e... | 07/30/1996 |
| 5509477 | Borehole ventilation sealcover A simple bore hole plug for either temporarily or permanently sealing mine bore holes and ventilating shafts or the like is described. A plurality of used motor vehicle tires are arranged one upon the other coaxially in increasing order of diameter. Steel... | 04/23/1996 |
| 5346332 | Tubbing-type tunnel lining A tubbing-type tunnel lining, which comprises a plurality of tubbing rings, each of which consists of an even number of tubbing blocks, which are similar or identical and have a trapezium-shaped or trapezoidal or diamond basic shape and are so arranged th... | 09/13/1994 |
| 5176470 | Water-tight bore shaft foundation The lower end of an outwardly tight shaft structure (3) for a bore shaft (1) rests on a tilting joint arrangement (15, 20). This arrangement includes a hydraulic thrust bearing (15) at the end face of the shaft structure (3) and a hydraulic annular cylind... | 01/05/1993 |
| 5108671 | Concrete formwork and method for forming a draft tube A formwork for a draft tube which includes ganged precast forms, each precast form corresponding to a curved segment of the draft tube. The precast forms are molded with continuous side plates extending thereabout and anchored in the precast concrete form... | 04/28/1992 |
| 5092710 | Underground tubular structural system and process for producing it An underground tubular structural system capable of having a very large cross section, for the construction of urban or rural conduits, underground passages and other civil engineering installations. At least two conduits (S1) (S2), namely a high conduit ... | 03/03/1992 |
| 5061121 | Fluid-conveying conduit A fluid-conveying conduit of large cross section, formed by assembling on a laying surface a plurality of prefabricated longitudinal elements placed in sequence and comprising, in transverse section, a lower base and a vault having two lateral edges conne... | 10/29/1991 |
| 5040921 | Segmented tunnel system The disclosed invention comprises novel prefabricated tunnel sections comprising generally open channel configured, reinforced concrete, opposing lower and upper channel members with mating elements along opposing leg edges of the channel for forming a ge... | 08/20/1991 |
| 4946309 | Sealing profile A sealing profile made of rubber or rubber-like material for installation in a recess extending around concrete segments for a tunnel tube. The profile has on the base side a plurality of parallel grooves extending in the longitudinal direction, and paral... | 08/07/1990 |
| 4920722 | Composable well A composable well of right prismatic or right cylindrical shape has a polygonal or circular base respectively, and consists of a plurality of walls (1), the walls having on their lateral borders, on one side a plurality of hooking elements (2) of male typ... | 05/01/1990 |
| 4900607 | Sealing profile A sealing profile formed of rubber or rubber-like material is provided for sealing tunnel segments which have circumferential recesses. There is a plurality of slotted grooves running parallel in the lengthwise direction on the base side of the profile an... | 02/13/1990 |
| 4889448 | Tunnel construction A method of construction of tunnels under water by pre-fabricating them in short sections with their ends adapted to make fluid-tight joints with adjacent sections, transporting, sinking and joining them together and forming the sections into sets by inst... | 12/26/1989 |
| 4815895 | Construction of tunnels or pipes for use in civil engineering works A tunnel or pipe section which includes a plurality of panels which are connected together to form a closed tunnel or pipe section. Each panel includes a plurality of tubular connectors which are anchored within the panel, preferably to the reinforcing me... | 03/28/1989 |
| 4808032 | Thrust pipe Thrust pipe for disposition in a passage in the ground by advance of the pipe axially through the passage includes a plurality of pipe segments disposed in end-to-end relation one to the other. Each pipe segment includes an inner pipe section having a dia... | 02/28/1989 |
| 4762441 | Sealing profile A sealing profile made of rubber or a rubber-like material for sealing tunnel segments provided with peripherally extending recesses. The profile includes grooves extending parallel to each other on the base side in the longitudinal direction, angled late... | 08/09/1988 |
| 4697955 | Method of constructing reinforced concrete works such as underground galleries, road tunnels, et cetera; pre-fabricated contrete elements for constructing such works In a method of constructing a reinforced concrete work such as a road tunnel, an underground gallery or a tunnel for an underground railway, there is first excavated an open trench 62 in which there are then placed, consecutively and contiguously, prefabr... | 10/06/1987 |
| 4626133 | Waterstop for monolith joints A tubular member is arranged to be inserted in a hole drilled in adjacent monoliths astraddle a joint between the monoliths. A tubular member comprises an outer layer of material saturated with a resin capable of bonding to defining walls of the hole. An ... | 12/02/1986 |
| 4584812 | Refractory brick ring tightening device An apparatus for tightening a ring of refractory brick in order to accommodate the installation of the key brick into a key brick space of such a refractory brick ring to tightly close and complete the ring is provided. The apparatus includes an expansion... | 04/29/1986 |
| 4552485 | Process and prepressing pipe for laying a pipeline in the earth A process for laying a prepressed pipeline and pipe advantageously employed therein are described. Concrete pipe sections have an inner lining of a polymeric material anchored by flexible projections to the inner surface of the pipe. The thickness of the ... | 11/12/1985 |
| 4315703 | Sealing method using latex-reinforced polyurethane sewer sealing composition A sealing composition prepared by reacting water-soluble polyurethane prepolymer with water containing latex to provide a gelled viscous mass which will cure to a cross-linked latex-reinforced gel capable of preventing or inhibiting leakage in various str... | 02/16/1982 |
| 4199158 | Profiled gasket for sealing tunnel segment joints Profiled gasket for sealing tunnel segment joints, which is placed in a receiving groove in this segment and which is made of a body of rubber or an elastically deformable synthetic material, said body having at the one side two outer legs, within which t... | 04/22/1980 |
