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7343718 Method for making multiple-part concrete pole  
This invention relates to pole structures used for supporting transmission and distribution lines, lighting and communications systems, highway signs, traffic signals, and the like. More...
7216842 Pocket former  
A pocket former includes an outer barrel having a first rim, a second rim and a frustoconical body portion extending from the first rim to the second rim. A center barrel is connected to the outer...
7143991 Reinforcing bar joint sleeve fixing device  
A reinforcing bar joint sleeve fixing device for fixing a reinforcing bar joint sleeve disposed in the interior of precast concrete to a molding form in fabricating a precast concrete structure...
7067002 Unitized fibrous concrete reinforcement  
The present invention relates to a fibrous construct which is used in providing cementitious mixtures supplemental and reinforcing strength upon setting, and more particularly, to a unitized...
7056463 Method of manufacturing prestressed concrete  
Pre-tension and post-tension processes for the manufacture of pre-stressed structures in which bonded carbon fiber cables are provided with burial anchors and temporary anchors outward of the...
6954974 Method of constructing a rail track on a concrete slab and a temporary tie plate for use in the method  
In a method of constructing a rail track on a concrete slab, the concrete slab is poured around anchor members for fixing tie plates supporting the rails of the rail track. The method includes the...
6913717 Method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted into the track slab  
A method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted in the track slab by an inserter system mobile along the route of the...
6878315 Method and apparatus for casting a concrete product  
A method and apparatus are for fabricating a concrete product in a slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving...
6877688 Preparing strand cable for concrete mold  
A method and apparatus is disclosed to prepare strand segments of predetermined length for use in a molded concrete product at an assembly facility. The strand segments are loaded into a strand...
6871839 Strand feeder device  
An apparatus is disclosed to feed strand ( 30 ) through apertures ( 214 ) in bearing plates ( 60 ) and bulkheads ( 202 ) in a mold ( 62 ). A collar ( 210 ) can be attached to a rod ( 208 ) for...
6861459 Oligomeric dispersant  
A dry cast article and method for making the same, wherein the dry cast article includes an oligomeric dispersant that is a reaction product of two or three moieties is provided. To make a dry cast...
6842960 Method of feeding strand into a mold  
A method is disclosed to feed strand ( 30 ) through apertures ( 214 ) in bearing plates ( 60 ) and bulkheads ( 202 ) in a mold ( 62 ). A collar ( 210 ) can be attached to a rod ( 208 ) for limited...
6785355 Method and system for manufacturing storage container for storing nuclear fuel  
A method for storing nuclear fuel in a container ( 10 ) including a concrete body and a fuel receiver embedded in the concrete body, comprises the steps of: providing formwork ( 62 ) for the...
6773650 Prestressed concrete casting apparatus and method  
A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of simple easy to use construction, and great strength/rigidity for...
6771731 Device for storage of hazardous material  
A device ( 10 ) for storage of hazardous material, especially heat-producing hazardous material, such as radioactive spent nuclear reactor fuel, comprises a substantially cylindrical reinforced...
6652791 Method of manufacturing a reinforced oblong concrete driving pile for longitudinal load-bearing purposes  
The invention relates to a method of manufacturing a reinforced oblong concrete product for longitudinal load-bearing purposes, in particular a driving pile. According to the present invention...
6634147 Process for the installation and tensioning of a brace having a false bearing, in particular a stay cable for a cable-stayed bridge and anchoring device with which to carry out the process  
In order to install or tension a brace ( 1 ) having a false bearing, for example a stay cable for a cable-stayed bridge, an external tensioning member or similar comprising a bundle of...
6596214 Method for manufacture of improved structural panel  
The present invention comprises a method for the manufacture improved structural panel with synthetic ingredients, such as vermiculite and fibers. The improved structural panel achieves enhanced...
6561780 System and assembly for the manufacturing of prestressed reinforced concrete railroad ties and the like  
Apparatus for the manufacturing of prestressed reinforced concrete railroad ties and the like in which the apparatus consists of an elongated spine or compression member which has no foundation but...
6416693 Method of strengthening an existing reinforced concrete member  
Parallel spaced shallow grooves are cut within the surface of an existing reinforced concrete member in the direction of bending and at locations where existing tensile reinforcing is inadequate. A...
6409423 Prestressed pavement system  
A prestressed pavement has apparatus to prestress the slabs, has slab abutments to resist the prestress force, has short-life friction-reducing medium to prevent the slab early cracking, has...
6387310 Thermosetting resin composition for prestressed concrete tendon, its use and prestressed concrete tendon using the composition  
A thermosetting resin composition for prestressed concrete tendon, wherein the composition does not harden until the completion of the straining of the tendon, which is the inherent object in the...
6383420 Method for the variable manufacture of concrete railroad ties  
A method for a variable manufacture of concrete railroad ties, with or without prestressed reinforcement, is provided wherein molds are cleaned in a preparation station and provided with the...
6374475 Method for manufacturing prestressed reinforced concrete railroad ties  
Methods and apparatus for the manufacturing of prestressed reinforced concrete railroad ties in which the apparatus consists of an elongated spine or compression member which has no foundation but...
6284336 Filled composite structure with pre-stressed tendons  
A filled structure includes a fiber reinforced resinous hollow structure having a tensile strength of at least 30,000 psi, and an inside surface forming a boundary which defines a space. A hard...
6238545 Composite anode, electrolyte pipe section, and method of making and forming a pipeline, and applying cathodic protection to the pipeline  
An anode is embedded in an electrolyte layer applied to the surface of a structure such as a pipe section to provide an ionic conductive path between the anode and structure to supply cathodic...
6209274 Vent flow apparatus and method  
A vent flow apparatus and method for general application in venting and filling air pockets in conduit or duct type apparatuses designed for passage of material therethrough is provided including a...
6200678 Corrosion resistant coated metal strand  
Concrete strengthening members, particularly prestressing tendons such as strands of steel wire, are provided with a strongly adherent plastic coating which may be substantially impermeable for...
6155810 Mould bed for manufacturing pre-stressed concrete elements  
A mold bed for fabricating pre-stressed concrete elements has a mold frame (8) that extends between the ends of the bed. Tensioning heads are mounted at the bed ends for tensioning reinforcement...
6123888 Method of manufacturing post tensioning prefabricated building  
An improved post tensioning system for prefabricated building panels in which a concentric uniform radial compression is maintained in the slab. A post tensioning cable is placed in the concrete...
6059199 Road transportable segmental concrete railroad tie long-line production system  
A road transportable concrete railroad long-line tie molding system is described in which a rigid horizontal metal stressing frame is assembled from transportable sub-frame segments. The sub-frame...
6036906 Method for manufacturing an improved prestressed concrete joist  
A precast, prestressed concrete joist having web openings through which mechanical and electrical equipment may pass. In an exemplary embodiment, the joist comprises generally horizontal opposite...
5976442 Apparatus and method to manufacture cast panels  
A method and assembly (20) to form a cast concrete panel (21). The assembly (20) has end beams between which tendons (23) can pass. The beams need to be able to support tensioning of the tendons....
5939003 Post-tensioning apparatus and method  
A post-tensioning apparatus and method including first and second body sections interconnected by an intermediate anchor head. Each body section has an end anchor head on an end opposite the...
5897928 Reinforcing elements for castable composition  
Methods and articles for reinforcing castable compositions through the use of reinforcing elements maintained in a close-packed alignment in a dispersible containment means.
5807458 Reinforcing elements for castable compositions  
Methods and articles for reinforcing castable compositions through the use of reinforcing elements maintained in a close-packed alignment in a dispersible containment means.
5797238 Method of producing concrete structures with a surface protection and a concrete structure produced in accordance with the method  
Method of producing concrete structures with a surface protection layer and a concrete layer. The method includes moulding the concrete layer and the surface protection layer using a "wet in wet"...
5728327 Method, barrel subunits and units, service installations and assembly structures for the fabrication of moldable products, particularly based on concrete  
The manufacture of moldable concrete products with deferred mold release incorporates molding means bm1 into optimized rotary structures 1, 5, 7, 9, 12 in the form of modular cylinders having at...
5718090 Prestressed concrete tensioning system  
A prestressed concrete tensioning system for a tensioning tendon in the construction of a prestressed concrete beam comprising an anchor seat and a prestressed tensioning device. The anchor seat...
5655243 Method for connecting precast concrete beams  
A connection method for connecting precast concrete beams involves supporting both ends of the precast concrete beams, lifting up the central points of the precast concrete beams, placing concrete...
5618476 Process for slip form production of prestressed concrete railroad ties  
Pre-stressed concrete railroad ties are manufactured by the slip form process in the absence of mold members, other than the slip form itself. Tie casting occurs on portable casting soffits between...
5540030 Process for the grouting of unbonded post-tensioned cables  
A method for the grouting of an unbonded post-tensioned cable in a concrete structure which cable is enclosed in a cable sheath is disclosed. The method includes the steps of pumping a curable...
5471812 Method for fabricating pretensioned concrete structures  
A novel method for fabricating pretensioned concrete structures includes the steps of: (a) arranging one or more cables between a first anchoring station and a second anchoring station; (b)...
5469677 Stressing anchorage for at least one tension element running inside an encasing tube and method of producing the stressing anchorage  
For a stressing anchorage for a tension element running inside an encasing tube, a bearing plate with an annular opening is set up on an outer wall of a structural part. In an area of the opening...
5439629 Method and apparatus for producing prefabricated components from pretensioned prestressed concrete  
A method for the manufacture of pretensioned prestressed concrete sleepers wherein, the tensioning wires are taken directly from one or more rolls of wire and are introduced in a longitudinal feed...
5423362 Apparatus for forming an access pocket at the terminal end of a post-tensioned tendon  
A pocket former having a body with a tapered exterior surface. The body has a top surface and a bottom surface and a tubular member extending therethrough. The top surface extends outwardly from...
5342568 Method for prestressing concrete  
A method for introducing a prestress into a concrete member includes the steps of passing a steel rod (2) through a hollow steel rod (1), applying a tensile force to the hollow steel rod (1), while...
5309638 Method of producing a prestressed reinforced concrete structure  
A prestressed, reinforced concrete structure is made by applying a coating onto a reinforcing element, introducing the coated reinforcing element into the body of concrete, and heating the...
5308696 Carbon fiber-reinforced cement material and method for preparing same  
A method for preparing a carbon fiber-reinforced cement material is here disclosed which comprises the step of using, as a reinforcing material, a carbon fiber from which a gas has been removed by...
5305572 Long span post-tensioned steel/concrete truss and method of making same  
A long span truss of substantially conventional steel construction provided with concrete encasement of the top and bottom chords with the concrete encasement being reinforced and the concrete...
Matches 1 - 50 out of 310 1 2 3 4 5 6 7 >