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| Number | Title | Issue Date |
| 7877942 | Device for controlling the atmosphere in a space A device for controlling the atmosphere in a space (16) which is partly delimited by at least one glass component (12, 13; 61) and which is separated from the environment (17, 18), with at least one connection between the space and the environme... | 02/01/2011 |
| 7234280 | Device for anchoring prestressing reinforcements The anchoring device, for anchoring at least two reinforcements for prestressing a civil engineering works structure, has a block through which there pass at least two pairs of anchoring orifices arranged symmetrically on each side of a mid-plane of the block. The t... | 06/26/2007 |
| 7171787 | Rectangular tilt-up concrete tank construction A rectangular tilt-up concrete tank includes a concrete slab with a metal plate anchored thereto, the metal plate defining at least one substantially linear concrete side wall location. A plurality of preformed concrete side panels each having metal plates attached ... | 02/06/2007 |
| 7162844 | Use of partial precast panels for construction of concrete walls and shells A precast panel for building reinforced concrete walls has a metal liner that forms a front surface of the panel. A concrete mass is disposed behind the liner. The panel has reinforcement structure within the concrete mass that can be used to provide continuity of r... | 01/16/2007 |
| 7111751 | Plastic lined concrete tanks equipped with waterstop systems A plastic lined concrete tank includes a floor, an upright wall having a lower edge adjacent the floor, a plastic wall lining on an interior surface of the wall, and a plastic waterstop structure inhibiting penetration of water between said floor and said lower edge... | 09/26/2006 |
| 7007430 | Method for impeding transverse relative displacements of a pipe and at least one cable A method impedes transverse relative displacements of a pipe (2) and at least one cable (3) which extends in this pipe (2), and doing so with a certain transverse play (4). The method has the steps of: selecting at least one portion (8... | 03/07/2006 |
| 7003921 | Expansion joint and reinforcement connection method using the expansion joint An expansive filler joint includes: a securing hollow body (1) embedded in a jointing end (3, 3) of forming concrete (K) or concrete segmental products (K′, K′), the securing hollow body (1) made of a rigid... | 02/28/2006 |
| 5809710 | Method of tensioning a tension member composed of a plurality of individual elements A method of tensioning parallel prestressing members of a building or building component of prestressed concrete or a tension member composed of a plurality of individual elements, such as steel rods, steel wires or steel strands, wherein the individual e... | 09/22/1998 |
| 5809711 | Apparatus and method for joining two prestressed concrete elements In an apparatus for joining prestressed concrete elements, wherein two prestressed concrete elements to be joined comprise a first prestressed concrete element and a second prestressed concrete element, having a plurality of prestressed first strands with... | 09/22/1998 |
| 5673528 | Safety wall for a building A wall, particularly a wall of a containment for a nuclear plant, a pool or a cavern, includes a bearing wall. A sealing element is disposed on at least one surface of the bearing wall and covers the bearing wall. A protective wall covers the sealing elem... | 10/07/1997 |
| 5563927 | Method of retarding irradiated nuclear vessel crack initiation and extensions An irradiated steel pressurized nuclear reactor pressure vessel 10 is provided with a crack initiation retarding and crack extension retarding reactor vessel integrity girdle 20 or 120 made up of shoes or links 22, with mechanical take up joints (26 to 34... | 10/08/1996 |
| 5408793 | Multi-purpose dome structure and the method of construction thereof An improved dome structure on a base is disclosed comprising, in the preferred embodiment, of a membrane sandwiched between layers of rigidifying material such as shotcrete or reinforced composite which also serve to embed radial wires and circumferential... | 04/25/1995 |
| 4879859 | Method and apparatus for constructing circumferentially wrapped prestressed structures utilizing a membrane The present invention is directed to improved tank structures and the processes and apparatus for their construction. The walls of the prestressed tank are formed by inflating a membrane, applying one or more layers of rigidifying material outwardly of sa... | 11/14/1989 |
| 4797250 | Nuclear reactor confinement enclosure foundation Nuclear reactor confinement enclosure foundation comprising a skirt and a dome, the foundation comprising a footing in contact with the ground and which bears members and rods arranged annularly and supported on the confinement enclosure floor. The space ... | 01/10/1989 |
| 4702052 | Prestressed concrete pressure vessel and method for making such a vessel A pressure vessel and a method for distributing the stresses in a thick-walled high-pressure vessel, so that they lie within allowable limits, by constructing the wall in a series of generally concentric layers, at least one intermediate layer of which is... | 10/27/1987 |
| 4661313 | Metal liner for the lining of the cylindrical cavity of a reinforced concrete pressure vessel A cost-effective configuration of a metal liner for a reinforced concrete pressure vessel is disclosed wherein only stud shear connectors and cooling tubes of the liner cooling system are used to anchor the liner and the passages provided in the liner and... | 04/28/1987 |
| 4534140 | Annular slab for closing the vessel of a fast neutron nuclear reactor Annular slab for closing the vessel of a fast nuclear reactor, comprising at least one downwardly divergent frusto-conical sleeve coaxial with the inner and outer sleeves delimiting the slab, dividing the slab envelope into upper and lower parts respectiv... | 08/13/1985 |
| 4533513 | Enclosing means for housing a nuclear reactor core A concrete pressure vessel (1) for a nuclear reactor is formed with an arch (6) arranged above the cover (4) of the pressure vessel, said arch having a horizontally directed opening permitting horizontal transport of the cover. The cover (4) is retained b... | 08/06/1985 |
| 4479336 | Concrete cover for high pressure vessels A closure for a prestressed high-pressure vessel comprises an anchoring ring surrounding the opening of the prestressed concrete pressure vessel, a plurality of axial stressing cables and a plurality of cover stressing cables. The cover is separately pres... | 10/30/1984 |
| 4463872 | Pressure vessels To enable the benefits to be obtained simultaneously of using cast iron as a major constituent and of using helical prestressing, the cylindrical wall structure of a pressure vessel (which may be for a nuclear reactor) is made of truncated wedge shaped ca... | 08/07/1984 |
| 4389825 | Prestressed concrete pressure vessels with increased pressure-retaining capability A prestressed concrete pressure vessel capable of containing extremely high pressures in an internal cavity, 10,000 psi and higher, is constructed in such a way as to enable the application of extremely high circumferential prestressing force at the outer... | 06/28/1983 |
| 4366653 | Locking device for a cylindrical cavity Cylindrical cavities of nuclear reactors and the like, containing a fluid under pressure, are closed by a plug consisting of a shell and a counter shell in prestressed condition.... | 01/04/1983 |
| 4366654 | Double-walled tank for low-temperature liquids In a double-walled tank for low-temperature liquids, such as a liquid gas, an inner tank forms a primary safety casing while an outer tank, enclosing the inner tank, forms a secondary safety casing. The inner tank includes a base and an upwardly extending... | 01/04/1983 |
| 4356144 | Closure hold-down system for a reactor vessel A closure hold-down system for a prestressed concrete reactor vessel is disclosed which employs a concrete plug having an annular liner thereon and adapted to be received within the upper open end of a cavity in the reactor vessel. A prestressed concrete ... | 10/26/1982 |
| 4349991 | Closing device for large passages in a prestressed pressure vessel Disclosed is a closing arrangement for large passages in a prestressed pressure vessel comprising a cover means for covering the opening of a passage in the prestressed pressure vessel, an annular structural part having an inner boundary surface surroundi... | 09/21/1982 |
| 4324619 | Apparatus for suspending thermal shielding within a nuclear reactor Apparatus for suspending thermal shielding within a nuclear reactor. The apparatus includes a plurality of horizontally deformable, interconnected links which form a chain and suspend a series of horizontally disposed equally spaced thermally reflective p... | 04/13/1982 |
| 4265066 | Prestressed concrete pressure vessels A prestressed concrete pressure-containment vessel having one or more cavities within its external shell. The cavities, whether cylindrical or other shape, are totally contained by prestressing tendons, which apply forces to contain various pressures with... | 05/05/1981 |
| 4237668 | Heat insulating structure for use in transporting and handling gas of high temperature and pressure A heat insulating structure having a heat-resistant tube disposed in a tubular cylindrical body and defining a passage for a high temperature gas, a heat insulating material disposed between the tube and the tubular cylindrical body and adapted to prevent... | 12/09/1980 |
| 4223496 | High pressure, high-temperature vessel, especially for nuclear reactors A pressure vessel susceptible to high temperatures, especially for containment of a nuclear-reactor core, is constituted of a cylindrical shell from a cast material such as cast steel, cast iron or concrete, and is prestressed by vertical cables which ext... | 09/23/1980 |
| 4199994 | System for monitoring the mechanical parameters of a pressure vessel An erect cylindrical pressure vessel, especially for a nuclear reactor, is constituted from cast-iron or cast-steel elements and is stressed by axially extending angularly spaced axial stressing elements and by axially circumferential peripheral stressing... | 04/29/1980 |
| 4195457 | Closure device for pressure vessels Disclosed is a closure combination for pressure vessels comprising a carrier cover in contact with a sealing cover for covering and closing an opening in a pressure vessel by contact with a flange member of a liner element disposed within the opening in t... | 04/01/1980 |
| 4192718 | Burst-protected steel pressure vessel with double protection in radial as well as axial direction A pressure vessel whose wall is constructed of rings or ring elements of steel or cast-steel plates provided with axial bores for the passage of tension cables and cooling media, said plates being stacked together to form the pressure vessel wall; the cov... | 03/11/1980 |
| 4154029 | Steel concrete container and a process for erecting the same A steel concrete container with a roof formed as a suspended shell comprising sector-shaped precast, prestressed concrete elements and a reinforced concrete topping.... | 05/15/1979 |
| 4111327 | Pressure vessel The cylindrical body of a pressure vessel for use as a reaction vessel, is built up from courses of flat circularly arcuate segmental plates, the courses being located with respect to each other by locating means passing through aligning openings in the p... | 09/05/1978 |
| 4093100 | Pressure vessel construction and method A pressure vessel with an alloyed steel wall and having at least one ring of weldable steel secured thereon and wherein a temperature control jacket associated with said vessel is welded to said ring.... | 06/06/1978 |
| 4091583 | Wall of pressurized reinforced concrete tank A characteristic feature of the wall according to the invention consists in that it is composed of two parts of which the outer part defining the shape of the tank is prestressed, and the inner part is supported by the outer part and composed of arcuate p... | 05/30/1978 |
| 4074485 | Safety wall for a storage tank Safety wall for a storage tank containing liquids which are dangerous to the environment, such as liquid natural gas, acrylonitrile, ethylene, hydrocyanic acid compounds etc., which wall, made of concrete, surrounds the storage tank with an interspace and... | 02/21/1978 |
| 4069642 | Storage tank having a protective wall construction Storage tank for liquids presenting a danger to the environment, such as liquid natural gas, ethylene, propylene and the like. The tank comprises an inner tank and a concrete outer tank, an insulating material, the wall of the outer tank being a rigid pre... | 01/24/1978 |
| 4057162 | Pressure vessel for nuclear reactor A pressure vessel, containment or burst shield for a nuclear reactor has a substantially circular cover surmounting the cylindrical part (shell) of the vessel and preferably comprised of a plurality of circular segments arranged concentrically and stresse... | 11/08/1977 |
| 4055465 | Device for thermal insulation of a vessel wall A thermal insulation structure mounted within the annular space between the primary vessel and the inner vessel of a liquid metal cooled fast reactor is constituted by a plurality of heat-insulating elements extending circumferentially around the common a... | 10/25/1977 |
