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JP2001303888 |
To provide a leading pipe enabling long-distance execution in a pipe jacking method for burying a pipe body in the ground. In the pipe jacking method, the leading pipe A disposed for connection to the front end of a Hume pipe following a...
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JP3240127 |
To prevent the end part of a core pipe from being broken during drawing in a manufacturing process by inserting a plurality of filaments for reinforcement at a specified interval within a specified length range from both ends of an outer...
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JP2001269917 |
To provide a method of shaping a precast manhole block having different inlet and outlet angles of water channel by only preparing a plurality of kinds of bottom molds 3. The mold comprises an outer mold 1, an inner mold 2, a bottom mold...
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JP2001266933 |
To provide a manufacturing system of beta alumina solid electrolyte tube of a high reliability wherein no organic fiber is contained in the molded body.The manufacturing system 1 of the beta alumina solid electrolyte tubes is installed i...
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JP3235682 |
PURPOSE: To provide a cylindrical porous carbon molded piece keeping a uniform bulk density as a joint-free integrally molded piece. CONSTITUTION: A carbon fiber felt is impregnated with a 60% solution of a resol phenol resin (a melting ...
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JP2001260125 |
To easily adhere a concrete to a synthetic resin at a low cost when an inner peripheral surface of a concrete tube is to be covered with a sheet having an anticorrosive function and to sufficiently secure an adhering strength of the conc...
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JP2001260126 |
To simply adhere a sheet to a concrete at a low cost when the sheet having an anticorrosive function if to be lined on an inner peripheral surface of a concrete structure, and to sufficiently secure an adhering strength of the concrete a...
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JP2001260124 |
To easily adhere a concrete to a synthetic resin at a low cost when an inner peripheral surface of a concrete tube is to be covered with the resin having an anticorrosive function and to sufficiently secure an adhering strength of the co...
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JP3233740 |
PURPOSE: To provide a washing finish sheet capable of obtaining a uniform washing finish surface on a used concrete product. CONSTITUTION: An adhesive 2 is uniformly applied to a matrix 1 and an alkali swellable washing finish agent powd...
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JP2001246613 |
To provide a method for efficiently manufacturing a propulsive tube for a sheathing tube.A plurality of propulsive tube for sheathing tube-manufacturing forms 12 and 13 into which concrete is respectively casted are installed at an inter...
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JP2001232620 |
To provide a method for manufacturing a concrete tube having high productivity even without using a centrifugal molding machine or a vibrating pressure molding machine and without bringing about insufficient packing.The method for manufa...
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JP2001219418 |
To provide a form for molding a culvert improving maintainability.A core (3) is arranged in an outer frame (2). The core (3) has a lower core structure (31) arranged on an upper part of a bottom plate (6) of the frame (2), and an upper p...
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JP2001220212 |
To provide an apparatus for treating the dust occurring in the glass material cutting that can allow the dust occurring in the cutting operation to smoothly fall down to the discharge pit without load on the operator and can protect the ...
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JP2001220203 |
To provide a method of manufacturing a centrifugal product enabling the reduction of amount of the sludge which is discharge during centrifugal molding.The centrifugal product is manufactured by adding an emulsion comprising a polymer co...
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JP2001214267 |
To provide a method for producing a high purity silicon carbide tube having high purity, excellent in denseness corrosion resistance, strength characteristics or the like and suitably usable as various members for a heat treating apparat...
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JP3215516 |
PURPOSE: To provide the novel hydraulic compsn. which exhibits high strength and the process for production of the high-strength concrete pile by using this hydraulic compsn. CONSTITUTION: This hydraulic compsn. is formed by compounding ...
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JP2001191320 |
To manufacture easily even a long-sized PCa member, to enable precise and simple installation and fixation of inner and outer forms with no need of a scaffold and without necessitating skills, to ensure release from the entire surface of...
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JP2001179726 |
To reduce a form cost for manufacturing a flexible precast culvert and, at the same time, realize the reduction of a working man-hours. At manufacturing a flexible box culvert 1, which is constituted by connecting a pair of precast box b...
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JP2001181058 |
To uniformly sinter a PTC ceramic cylinder useful for the material of a self temperature-controlling heater, and the like, without breakage. A cylindrical green body 1 molded from barium titanate raw material is embedded in heat-resistan...
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JP2001173389 |
To provide a formwork for forming a concrete structural body capable of forming certain patterned concrete structural bodies with several kinds of thicknesses at a low cost, for which a narrow space is sufficient for storing unused formw...
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JP3199706 |
To provide a manufacturing apparatus and method for obtaining a continuously quality stabilized ceramics based cylinder while a core pipe can be replaced without stopping a sheet-making felt (a water permeable belt). A core pipe 70 of wh...
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JP2001152426 |
To provide a cleaning concrete body strong in strength and integrating a pipe passage function and a water quality cleaning function, its manufacturing method, and a water cleaning method.Concrete having fluidity is injected into a form ...
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JP2001145914 |
To provide a bolt clamping device of a form for molding a concrete product capable of enhancing an efficiency of a clamping work by remarkably alleviating a worker's load. The bolt clamping device of the form for molding the concrete pro...
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JP2001140270 |
To solve the problems of poor and complicated workability and unreliable safety in a conventional mechanism for mounting step holding devices to a form for molding manhole. This step holding mechanism of a molding form for a manhole is c...
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JP3188331 |
PURPOSE: To mold a concrete block having a through hole such as an iron reinforcement insertion hole, etc., in a simple manner by installing a core body which is constituted so that a cylindrical body made of rubber is inserted into the ...
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JP3183682 |
PURPOSE: To provide an inner form device for centrifugally molding a hollow concrete column body with a rectangular cross section, and to set the device simply in outer forms or mold-release the device particularly. CONSTITUTION: Inner f...
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JP2001097753 |
To obtain a reducing agent for bleeding capable of exhibiting stable reducing power for the bleeding, and to provide a method for producing a centrifugally molded product using the reducing agent for bleeding. (1) This reducing agent for...
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JP3177215 |
To provide a temporary jig for assembly for easily conducting the assembly operation of an inner mold efficiently. The temporary jig 40 for assembly is used for assembling an inner mold 6 when a shell PCa column is manufactured. The temp...
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JP2001088114 |
To provide a concrete product excellent in acid resistance, utilizing effectively various wastes such as sewage sludge, town rubbish, shredder dust and construction waste materials. An acid resistant concrete product which comprises an a...
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JP2001079820 |
To provide a uniform strength in the overall length of a tube and an end part cap by injecting under pressure a ceramic material into an end part cap forming cavity and then into a back-filling storage part and further, injecting under p...
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JP2001071314 |
To easily and rapidly manufacture a block having holes for bar arrangement with high efficiency while securing a desired strength of the block. The block manufacturing device comprises a material feed box 14 which supplies a raw material...
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JP2001059341 |
To provide an inner form which can be easily attached/detached without any assembly or disassembly in constructing a concrete structure having square hollow holes. A support rod 2 is connected to a frame 1 in a derricking manner. A form ...
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JP2001058312 |
To ensure sufficient durability of a form without leaving a joint mark of a face plate in a molding and perform the easy cleaning of the form by mounting the flexible face made up of an elastically deformable thin metallic plate by means...
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JP2001047425 |
To facilitate an operation to release a block from a form by constituting a chamfered molding ring with an almost triangular section of two or more pieces of rocking partial arc formed around pivotal fulcrum shafts in mutually different ...
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JP2001047424 |
To give an effectively tightening rotary force corresponding to a nut of each outer diameter by one tensioning force introducing unit even by an axial reinforcing material tensioning nut having different outer diameter and provided in a ...
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JP2001030225 |
To prevent the end part of a core pipe from being broken during drawing in a manufacturing process by inserting a plurality of filaments for reinforcement at a specified interval within a specified length range from both ends of an outer...
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JP2001018215 |
To provide a manufacturing apparatus and method for obtaining a continuously quality stabilized ceramics based cylinder while a core pipe can be replaced without stopping a sheet-making felt (a water permeable belt).A core pipe 70 of whi...
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JP2001009823 |
To simply manufacture a hollow precast member of a site by spreading wide an annular elastic member of a specified length into a inner form by a template, then assembling an outer form with a proper space into the inner form having tie-h...
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JP2001009820 |
To save labor required for releasing a concrete form by ensuring the certain peeling of the form from the entire surface of a concrete by air deaeration, in the inner form designed for form release by the air deaeration.This inner form f...
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JP2001009821 |
To make it possible to proceed straight to a curing process after completion of placing of concrete without requiring large-scale curing installation and also ensure the efficient heat insulation and curing of the concrete with a small a...
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JP2001009822 |
To accurately simply install and fix an inner form and to install and fix an outer form without requiring skill.The form apparatus 1 comprises a base form 9 fixedly disposed at an intermediate position on a rail facility 4, an inner form...
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JP2001009816 |
To form a ceramic molding free from deformation by interposing an equalizing member with two or more openings formed therein between a screw and a mold, when a mixture composition is continuously extruded through the mold by rotation of ...
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JP2001001331 |
To rapidly detach an inner form from a molded structural material by manufacturing a hollow structural material having a flat inner surface or a rugged portion to be used for building in a relatively simple mechanism.The form for manufac...
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JP2001001333 |
To reduce the incidence of generated slag or prevent the generation of the slag from occurring by providing a long inner face finishing jig and finish-processing a centrifugal force molding in such a way that the jig is brought into cont...
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JP2001001332 |
To provide a method for sealing a ceramic molding which can seal it properly by packing a uniform amount of sealing paste in each through hole without making the paste stick on the end face of a ceramic molding.In a method for sealing a ...
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JP2000343521 |
To mold an accurate molding efficiently by a method in which an inner mod is kept nearly horizontally without being impacted with regard to an outer mold during the molding or demolding of a molding manually by making the front end be ca...
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JP2000343520 |
To improve operational efficiency by enabling manufacture on an ordinary concrete product manufacturing line by a method wherein an inner mold is extracted outside the concrete product in a state that a form body is rotated by an appropr...
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JP2000343516 |
To facilitate work for inserting into the insertion hole of a mold form in a rubber mold for forming a connection hole for molding the connection hole in a concrete culvert molding which is set in the molding space of the mold form, with...
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JP2000334720 |
To require no skill and shorten manufacturing time and further enable avoiding risks during an operation by charging concrete into a form which is rotated at a low velocity and cutting the concrete to he specified thickness and further, ...
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JP2000326320 |
To avoid the discontinuation of the molding work for a molded body caused by the shortage of a raw material liquid in a replenishing tank when the raw material liquid in a suction tank is sucked by a suction mechanism through a supportin...
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