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JP2004009741A |
To provide a plug type insert holder easy to operate at the time of detachment of a plug part.The insert holder 10 is equipped with the plug part 11 mounted on an insert 6 on the opening side thereof and the protruded part 20 protruded f...
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JP2004003290A |
To provide a slippage preventing structure for surely stopping slippage between a steel product and concrete, and for preventing cracks of concrete, and also to provide a steel/concrete composite plate.A steel-made rib 3 having a plurali...
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JP3484861B2 |
PURPOSE: To provide the title roller capable of reducing noise to a large extent. CONSTITUTION: A cylindrical core member 3 is formed on the peripheral surface of a roller shaft 2 by using a material like ceramic and a surface layer 4 co...
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JP3483035B2 |
This invention relates to a process comprising the steps of:a) providing a fiber preform comprising a non-oxide ceramic fiber with at least one coating, the coating comprising a coating element selected from the group consisting of carbo...
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JP3482413B2 |
To readily pour and fill a light-weight cement mortar into a bolt box without leaving gaps so as to make a composition in pouring have a specific gravity and a flow value in pouring in specific regions and develop a strength equal to or ...
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JP3481789B2 |
To form a through hole for connecting at a segment without using a sheath tube. Since taper pins 7, 8, 10, 11 are clamped at side plates 2, 3 or end plates 4, 5 by clamping threaded parts 7c, 8c, 10c, 11c of base ends at a nut 13 and rec...
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JP3473844B2 |
To facilitate am assurance of a size and a weight suited for using conditions by easily molding a construction surface coating block without using a molding form such as a rubber mold a mold or the like and freely setting a shape and the...
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JP3474342B2 |
To prevent the fracture of a composite material such as cracks from propagation through raising the rigidity of the composite material proper when unexpected external force is applied to the material. This composite material is so design...
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JP3474322B2 |
To simply attach the support rod forming the hanging-up reversal hole forming member by attaching a support rod support jig to the outside of an outer form. Support rods 9, 9 are passed through the female screw 25 and holes 26 of the nut...
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JP3473843B2 |
To assure a weight of an overall block necessary to stably install by molding a bottom block while maintaining a profile and a size of a coating block body molded in a molding cavity of a female mold, and to rotatably load covering soil ...
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JP3471458B2 |
PURPOSE: To provide a vessatile form enabling the production of a reinforced concrete slab with any length having horizontal beams at predetermined positions of both ends and intermediate part thereof and having main beam web parts at bo...
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JP2003336320A |
To provide an insert for hanging up a concrete product, which is made of plastics and has a strength superior to a metallic insert.A metallic bar body is horizontally formed in the inside of a plastic cylindrical body which is open at th...
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JP2003335568A |
To provide a method for manufacturing a good-looking cement-based decorative material.In a preparing process S10, a mortar is produced by mixing a white cement, silica fume, and water. Then, in a forming process S20, a molded body 30 is ...
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JP2003334807A |
To provide a block manufacturing form for efficiently manufacturing a homogeneous concrete block product having a decorative surface like a masonry pattern of natural stones having different shapes and a method for manufacturing a block ...
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JP3469786B2 |
To provide a high strength porous concrete structure which can be suitably used for water-permeable pavements, water drainage pavements, sound insulating plates, soundproofing walls, acoustical sound absorbing blocks, blocks for cultivat...
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JP2003328696A |
To provide a composite structure producing method which is easy to carry out, and allows an infilling to be sufficiently stuck to a frame body, to thereby improve the strength without causing partial loss of area in the composite structu...
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JP2003328269A |
To provide a reinforcing material which is used for concrete and the like and has excellent mechanical properties over a long period, especially the reinforcing material which is used for the concrete and the like and exhibits an excelle...
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JP2003328495A |
To improve strength, aseismicity and fire resistance while enhancing sound insulation performance and heat insulation properties besides the maintenance of the light weight of a concrete panel using a corrugated plate.In the concrete pan...
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JP2003326513A |
To provide a post-tensioning concrete product which can introduce a specified prestress to all product by surely tensioning by using a tendon not rotating together with a nut in tensioning.The post-tensioning concrete product 1 is obtain...
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JP2003326512A |
To provide a method for manufacturing a composite structure which can improve a strength without sectional defect by sufficiently adhering a padding material in a frame and which facilitates the performance.The method for manufacturing t...
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JP3466155B2 |
To provide a composite strand, which solves a fixing difficulty as a single defect of a continuous fiber reinforcing material, is easy to convey, handle, and install without requiring a special large-diameter sheath, and abounds in weath...
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JP2003313876A |
To increase the productivity of a lining block by facilitating an operation to set connection materials in a mold.The connection materials for connecting unit blocks to each other are formed in an injection-molded soft plastic net-like b...
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JP3463923B2 |
To provide a manufacturing method for manufacturing with high productivity a decorative inorganic molded product of high design properties and mechanical strength and superior resistance to water, resistance to heat, fire-retardant prope...
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JP2003311732A |
To provide a method for efficiently manufacturing a PC member by reducing working quantity at the time of production of the PC member for constituting a PC connection structure.The PC connection structure 1 is divided at field joining pa...
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JP2003311730A |
To provide a heat insulation block capable of drying in a comparatively short time without increasing cost.A heating wire 4 is arranged in a concrete 2 made block and an electric power supply end 5 of the heating wire 3 is exposed outsid...
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JP2003300207A |
To provide a device for fixing an electric wiring box and the like which is designed for previously fixing the electric wiring box and the like to the inner face of a form into which concrete is to be cast, that is, a working bed, and ca...
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JP2003300208A |
To ensure the economy of a form by reducing the number of inserts, for fitting and holding a hanger, which are to be embedded in a concrete product to be hung by a crane, and to deal with various requirements and conditions regarding a h...
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JP2003300275A |
To provide a fire-resistant precast concrete member capable of ensuring explosion resistance performance and strength characteristics, and a manufacturing method therefor.Reinforcing rods 4 each formed by combining vertical and horizonta...
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JP2003293515A |
To provide a gypsum plasterboard capable which can be executed of without taking any account of directionality and is excellent in workability.After a slurry formed by mixing a burnt gypsum with water or the like has been poured on a low...
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JP2003291250A |
To provide a gypsum board which can be made lightweight while its strength deterioration is prevented from occurring, and a method for manufacturing the board.The gypsum board 10 manufactured by molding/drying a slurry obtained by mixing...
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JP3455197B2 |
To facilitate fitting of an insert nut to a form and to enable adoption of every method for removal of the form. A fitting implement constituted of an elastic material such as a rubber or a soft resin, having an open fore end and a bolt ...
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JP2003291128A |
To provide an embedding fitting for an ALC panel having an excellent rustproof capacity.The embedding fitting for the ALC panel is constituted by vertically providing a nut part on a plate-shaped part. This plate-shaped part is plated wi...
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JP2003530578A |
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 concrete body and supporting the fuel receiver...
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JP2003285310A |
To provide a method for manufacturing a stacked concrete block, which has a hole piercing the central part and/or side part thereof and is filled with a mesh, with good workability without generating irregularity in quality, and an appar...
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JP2003285306A |
To solve the problem that there is a restriction in the condition of a place for installing a porous concrete product alone underseas because the porous concrete product is lightweight and, in a case for bonding the porous concrete produ...
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JP3454476B2 |
To provide an apparatus for fixing an embedding member by which the embedding member can be simply and surely fixed in a mold frame by hooking the hooking part of an elevating/lowering type fixing member into a transverse hole provided o...
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JP2003278303A |
To reduce volume during conveyance.This void form 11 arranged inside a slab for forming a hollow inside the slab is formed of a cylindrical tube symmetric to the pipe axial face, and the cylindrical tube is divided into two sections 11a ...
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JP3451212B2 |
To allow an inorganic fiber cloth to be scarcely released and to allow a crack to scarcely occur in a coating layer, by providing a composite inorganic molding having an inorganic fiber cloth partly embedded in a surface layer of the mol...
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JP3448588B2 |
PURPOSE: To obtain a neatly finished concrete surface, by assembling reinforcing rods in a form and placing highly fluid and inseparable concrete therein and vibrating the reinforcing rods by a vibrator. CONSTITUTION: Reinforcing rods 2 ...
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JP3450415B2 |
PURPOSE: To easily produce a concrete board integrally bonded with sound absorbing boards. CONSTITUTION: The sound absorbing boards 4, 4 consisting of lightweight and porous concrete are laid within a form 1 for molding a concrete board ...
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JP2003261987A |
To increase strength of a lifting insert by preventing force from being concentrated on a part of the lifting insert when the concrete product is lifted.Protrusions (8, 18, 23 and 43), which are provided in a backmost part of the lifting...
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JP2003261992A |
To provide a biaxial connector for concrete products, wherein bolt axial lines are deflected toward a product side surface to facilitate work time saving, safety and saving, and wherein tightened crossing bolts have spring elastic force,...
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JP3447400B2 |
PURPOSE: To protect a sound absorbing board from being drenched, in a balcony board with the sound absorbing board. CONSTITUTION: A frame 7 is projected to the lower side of a skeleton board 1 to which a parapet 5 is installed while a po...
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JP2003251623A |
To improve an operation efficiency by minimizing a necessity for an operation of coating over again of coating.An opening part 5 for communicating with an inside and an outside of a shell frame body 2 is provided to a part of the shell f...
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JP2003247299A |
To provide a precast concrete slab omitting special study in designing and placing no limitation on an installation position of an opening and the like.In this precast concrete slab 1, tendons 8 along the long side direction are embedded...
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JP2003245916A |
To obtain a concrete structure high in durability by increasing the bonding strength between the concrete structure and a cover-forming member and preventing the penetration of moisture from the space between both of them to prevent the ...
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JP3442704B2 |
To provide a lightweight inorganic molded article having high strength and excellent in water resistance, heat resistance, heat shock resistance, dimensional stability and surface properties and a method of manufacturing the same. A cura...
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JP2003231114A |
To provide a side form for manufacturing a PC panel capable of certainly preventing the leakage of concrete from the gap between the vertical slot of a weir panel and the U-shaped joint reinforcing rod inserted in the vertical slot, exce...
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JP2003227181A |
To obtain an implement to be embedded in concrete, which has great cut-off capacity, facilitates mounting of a water shut off valve and adaptation to various types of sleeves, dispenses with dimensional accuracy, and enhances productivit...
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JP3435513B2 |
The prefabricated building structure (1) is assembled from precast foundation elements (14), floor panels (20), and wall and roof panels (22,38). The wall panels comprise a perimeter frame of hollow steel tube members which are also used...
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