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Matches 351 - 400 out of 3,977

Document Document Title
JP2008013382A
To provide a centrifugally molded ultrahigh strength concrete composition from which a concrete molded article having high thickness precision is obtained and a producing method thereof.The centrifugally molded ultrahigh strength concret...  
JP4031348B2  
JP2007296749A
To raise the strength of a prestressed concrete-made pipe body used in a jacking method at a low cost. Centrifugal molding of a prestressed concrete-made pipe body is performed under a condition that a plurality of sheaths 4 and anchorin...  
JP4006783B2  
JP2007269591A
To provide a method of producing a concrete product, wherein the productivity is high, the working environment is good, the occurrence of sludge is prevented and appearance of the product surface is excellent. In the method of producing ...  
JP3946201B2
To fit a magnet without using a plane fastener when a filter cloth used in a form for manufacturing a concrete secondary product is fitted on an inner form using the magnet. The form for manufacturing the concrete secondary product is eq...  
JP3911073B2
To improve manufacturing efficiency of a concrete pile having a spiral collar. A concrete pile has a main body and a trapezoidal or triangular cross-sectional collar to surround this. The collar has two side surfaces regulated by the two...  
JP2007098717A
To provide a form for manufacturing a water channel block which can make available various water channel blocks having the same distance from the upper surface of the block to an external opening of a water conductive hole and a differin...  
JP3130660U
[Subject] Offer of flange conclusion structure of a new mold for concrete product fabrication, and a nut holder which can perform clearing work of a nut very easily and certainly. [Means for Solution] Flange F of an upper part mold for f...  
JP3889670B2
To minimize the deformation level of an odd-shaped mold during scaling up and down an inner mold and improve the durability of the odd-shaped mold in the inner mold for the form apparatus for molding a formed concrete product such as a c...  
JP3886994B2
To provide a mold device in which, for example, in the bottom surface of a U-shaped side channel/a water passage, a channel stripe is formed at an approximately central position in its width direction, since water flows along the channel...  
JP3876984B2
To provide a functionally gradient material which prevents the generation of cracks, interlayer separation or collapse in shape by an inexpensive and simple way, by applying a freeze-drying method even in the case of a deposit having a s...  
JP3875028B2
To provide a method for manufacturing a centrifugal molding not only capable of reducing slag generation amount and excellent in manufacturing performances but also affording a cured body having the same or better characteristics such as...  
JP3874711B2
To provide a method for manufacturing a centrifugally molded product by which a centrifugally molded product of successful quality can be manufactured through the steps of firmly compacting a non-compact and soft paste layer formed on th...  
JP2006341402A
To provide a hollow PCa member and a concrete pillar material both of which can prevent freezing damage without bringing about an increase in cost.The hollow PCa member is formed by performing the compactification of concrete by centrifu...  
JP3852679B2
To provide a method easily producing an article comprising concrete which uses shells of oyster as aggregates. This method produces a hollow cylindrical inside body 2. A porous box is mounted on the periphery of the inside body 2, shells...  
JP3848917B2
To provide a construction method for a hybrid structural box body made of steel sheets and concrete by improving the fluidity of concrete at the time when concrete is placed. In this construction method, when a box body 10 having a hybri...  
JP2006305771A
To facilitate the molding of the refractory cover layer of a drain confluent pipe of every kind different in the direction, height and total height of a horizontal drain pipe, in the drain confluent pipe for allowing the horizontal drain...  
JP3837678B2
To simply obtain a cement cylindrical product by giving stimulus such as trowel smoothing the deformed necessary position such as folded position to a retempering state at the time of starting the curing of a face hitting cement mortar p...  
JP2006231724A
To provide a method for producing a sintered tube which can precisely maintain the shape of a tubular molding before being sintered and a supporting jig.The method for producing the sintered tube includes a step (a) for manufacturing the...  
JP2006233548A
To provide a precast concrete member to be used as high-strength, highly tenacious, and highly durable precast concrete columns or precast concrete beams excellent in earthquake resistance and durability, economical, and capable of short...  
JP3814560B2
To provide a bottomed cylindrical body capable of easily enhancing the joint strength of a cylindrical body to a seal body, and to provide a sensor. In this bottomed cylindrical body, a ceramic seal body 3 is provided within one end part...  
JP2006181955A
To enhance the strength of a pipe body against external pressure, and to eliminate a variation in the decrease of strength in molding.In a concrete pipe for a pipe jacking method, a cage, which is formed by continuously molding a cage pa...  
JP3785287B2
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...  
JP3774497B2
To provide the guide chute of a concrete hopper preventing the leakage or accumulation of concrete at the side edge parts of a form when the form for a secondary product is filled with concrete and capable of smoothly fill the form with ...  
JP2006116740A
To provide a manufacturing method for a concrete pile having a spiral protrusion by which a prestressed introduction concrete pile having the spiral protrusion made of concrete can easily be manufactured without using a steel fiber.Concr...  
JP3774271B2
To make it possible to simply fix an embedded hardware in a concrete well. In a vertical concrete-casting method, a form main body 18 is mounted on a concrete well 15 molded in advance, Then, a coupler sheath hole 15a is formed in the co...  
JP3774270B2
To remove forms easily by fitting a bottom plate to the first forms, placing the second forms onto the first forms while interposing a spacer and installing a support means for vertically moving the first forms between a batholith and th...  
JP2006103135A
To provide a method capable of producing the precise sintered body of a continuous functionally gradient material in the shape of a lengthy pipe with a large aperture and an apparatus suitable for producing it.The method for producing th...  
JP3751067B2
To obtain a conduit material having excellent corrosion resistance by using a concrete product in which almost spherical electric furnace oxidized slag particulates having fine ruggedness on the surface as fine aggregates are dispersed i...  
JP3751332B2  
JP3746586B2
A passage tube including a ceramic tube body through which plasma producing gas passes and is irradiated from outside the ceramic tube body with ultraviolet rays, and a ceramic flange member joined to an outer peripheral surface of the c...  
JP3741937B2
To provide a diversion form for forming a cavity, in which for example, in the case of forming the cavity in a concrete member, when a formwork can not be utilized as a structural material and is not left in the member, and the form can ...  
JP2005335157A
To facilitate the fitting of a step to a concrete form and the release of a concrete from the form and to ensure a perfect prevention of the concrete from leaking from a step fitting part.In this concrete form, a cylindrical concave cave...  
JP3724779B2
To easily form a thin lance pipe hardly developing the crack. A core metal pipe 2 for lance pipe 1 for bubbling and injecting gas and flux into molten metal, is set at the center of a frame body for forming, arranging a round shaped holl...  
JP2005313592A
To improve an external pressure strength of a pipe body and to remarkably reduce a decrease in strength caused by abrasion and cutting of the outer peripheral face of the pipe body during propulsion.While a cylindrical form on one end of...  
JP2005305746A
To provide a method for producing a concrete product by a centrifugal forming method which, in centrifugal forming, minimizes the discharge of slurry and can obtain the concrete product having excellent performance such as inner surface ...  
JP2005288835A
To make it possible to use in a screwing technique and to remarkably reduce decreasing in strength of the outer peripheral face of a pipe body during screwing caused by abrasion and cutting.While a cylindrical form mounted with a fitment...  
JP2005289657A
To provide a high-strength centrifugally molded article capable of being highly prestressed, exhibiting a high crazing load, having high durability and a high strength of at least 100 N/mm2 in terms of a design strength.The method for pr...  
JP3704433B2
To easily mold a cylinder with a bottom having a collar at the outer periphery by powder pressure molding. The method for powder pressure molding using a mold having a mortar-like body 8 including a step on the inner periphery, a lower p...  
JP3706096B2
To provide a form for molding a cylindrical concrete product, which makes the demolding work or assembling of an inner mold easy and simple and has a new throttle mechanism of the inner mold requiring no special labor in cleaning work an...  
JP3705597B1
[Subject] The inner frame structure of a concrete mold where highly precise concrete products can be obtained cheaply and easily is offered. [Solution means] The elastic panel 4 in which elastic deformation is possible, and the rigid rig...  
JP2005273294A
To provide a manhole connection body which is resistant to attack by gaseous hydrogen sulfide generated from soil water.The manhole connection body A is formed of a manhole closed-end cylinder body 3, a manhole cylinder body 2, a resin i...  
JP3696533B2
To provide a composite segment formed of a resin and concrete, which is for use in sewage conduits, for instance, and has no structural weak points. The resin-coated segment is produced in the following manner. First, filter cloths are s...  
JP2005224999A
To provide a culvert block manufacturing form capable of corresponding to a case that a culvert block slightly different in size is required without newly preparing a separate form.Even the culvert block slightly large in height dimensio...  
JP3679361B2
To enhance manufacturing efficiency and handleability by unifying propelling pipes having long and short dimensions suitable for sharp curve propulsion. This propelling pipe unit is constituted by arranging a plurality of steel pipe rein...  
JP3676685B2
To efficiently and automatically mold more than one kind of resin concrete pipes. A large number of pipe making machines 1-10 are provided side by side and cylindrical forms 1a-10a different in kind from each other are supported on the r...  
JP3672898B2
To improve deterioration of a mold releasing property since a release agent applied to an inner wall surface of a cavity is extruded to outside in injecting a mortar when a cementitious refractory material layer is formed on an outer sur...  
JP2005186443A
To develop a manufacturing method of a centrifugally molded concrete product constituted so as to easily manufacture a concrete product having a single-layer or multi-layer structure by centrifugal molding, and a manufacturing apparatus ...  
JP2005169814A
To provide a method for manufacturing centrifugally molded concrete having high strength without increasing the occurrence of sludge.A concrete composition, which is composed of cement, an admixture material, fine aggregate, coarse aggri...  

Matches 351 - 400 out of 3,977