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JP2002234021A |
To keep the kinds and the numbers of molds extremely less, reduce the cost with economical device parts, and at the same time, facilitate works such as a molding assembly before concrete is laid.This outer shell PCa post forming device i...
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JP2002234010A |
To provide a method for manufacturing a ceramic molded article capable of conserving the use amount of a ceramic raw material, capable of uniformly depositing the ceramic raw material and capable of obtaining the ceramic molded article f...
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JP2002234013A |
To provide a technology by which a longer round side-ditch can be more easily manufactured.This mold for a round side-ditch is equipped with a bottom plate, end plates and side plates, core pieces, a core reinforcement, a shaft, and a co...
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JP2002234020A |
To manufacture a resin concrete pipe with a reinforcement in a short period of time continuously at a low cost.A resin concrete is continuously filled in a space between a core 9 and a first external mold 8. Then, a plurality of vertical...
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JP2002225020A |
To manufacture a cylindrical laminated green ceramic molding.An apparatus for molding the green ceramic molding comprises a rotatable cylindrical mold 1, a pair of green table feeders 2 provided oppositely via the mold 1 to house winding...
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JP2002225019A |
To provide a method capable of easily and rigidly molding many types of culvert blocks according to using object in a little forms when the culvert block is to be integrally molded.The method for molding the culvert block of a sectional ...
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JP3308643B2 |
PURPOSE: To carry out the automatic bonding, by a method wherein an end part of a reinforcing iron cage is held and corrected in the inner and outer circumferential directions, end plate metal fittings and the reinforcing iron cage are t...
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JP2002178314A |
To provide a new technique capable of obtaining an excellent product wherein appearance of an air bubble does not occur, and dimensions are not fluctuated by suppressing generation of the air bubble when a concrete product such as a conc...
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JP3295495B2 |
PURPOSE: To facilitate the work arranging an inner form in an outer form at the time of the centrifugal molding of a hollow square concrete object or demolding work. CONSTITUTION: The form members 1 arranged to the corner parts of an out...
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JP3295474B2 |
PURPOSE: To provide a method of preparing a concrete molded product, the upper concrete surface to be tamped of which can be tamped efficiently for molding by a sequence of procedures as well as a molding device. CONSTITUTION: A press ri...
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JP3292406B2 |
PURPOSE: To automatically clamp a reinforcing bar basket and a tension rod by detecting the position of the tension bolt arranged to the end part metal jig of the end part of the reinforcing bar basket in the peripheral direction of the ...
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JP2002161576A |
To provide a molding member for a widened opening of a concrete product which is hardly deformed by an external force caused in removal of a form and is excellent in durability and even molding for a widened small opening can be easily f...
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JP2002154110A |
To simply release a core mold from a concrete product.A guide pin 33 is fixed to a base component 5 for guiding, a shuttering 1 in a freely slidable manner, and a guide groove 32 engaged with a guide pin 33 is formed on the core mold 26....
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JP3286694B2 |
PURPOSE: To surely realize the easy and uniform binding and enclosing of an upper and a lower forms over their total lengths without developing deformation and the like at flanges even when the binding is performed by means of bolts and ...
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JP3286060B2 |
PURPOSE: To provide a method for manufacturing an inorganic imitation bamboo, from which a uniform quality product can continuously be manufactured at a high production efficiency. CONSTITUTION: A bar-like material 1 with a specified len...
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JP2002147656A |
To provide a Hume concrete pipe having a mounting structure capable of preventing the separation of a rubber ring.A rubber seating 5 is integrally embedded and fixed in an outer peripheral face of a spigot of a Hume concrete pipe body 1,...
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JP3281769B2 |
To provide a method for forming a hollow ceramic body which can be manufactured by a simple process without producing fine cracks in-the ceramic body. A plurality of rod like bodies 5 are projected in a gap part of a mold and a ceramic s...
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JP2002127121A |
To hardly affect an adverse influence to a quality of a product even when a deformed member itself is plastically deformed by enabling formation of a small overall deformed member with a narrow width in an inner form for a form apparatus...
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JP2002120214A |
To provide a silicon carbide cylindrical body which has excellent high strength and dimensional precision, and a manufacturing method therefor.A method for manufacturing a silicon carbide cylindrical body is provided wherein a silicon ca...
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JP3271808B2 |
PURPOSE: To increase the water collecting/draining effect of a drain member and rarely cause clogging by manufacturing the drain member having specific porosity with heat adhesive fibers self-bound by heat fusion. CONSTITUTION: Fibers co...
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JP3273616B2 |
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JP2002096315A |
To easily release a core mold from a concrete product.A core mold 5 of a form 1 is constituted by covering a periphery of a core material 6 by a synthetic resin 7. The synthetic resin 7 has a larger coefficient of thermal expansion than ...
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JP3269983B2 |
To assemble and disassemble without the necessity of skill for workers and the necessity of using heavy machinery and improve the product accuracy by fixing the upper end of a supporting frame of an outer molding flask with an upper posi...
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JP2002086423A |
To provide a method and an apparatus for vacuum forming of a concrete liner by which air bubbles can be made less on the outer peripheral face and inside and man-hour for finishing work can be remarkably decreased.A form for vacuum formi...
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JP2002086431A |
To provide a secondary product of concrete having an outer surface having few traces of bubbles and formed to be smooth.The secondary product 1 of concrete has a wall 5 having the outer surface 5a facing outward and an inner surface 5b f...
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JP3256599B2 |
PURPOSE: To vertically move and slide a core to easily extract the core by a method wherein the core is horizontally held by a holding body, the holding body is supported by being connected to link members, and both ends of the link memb...
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JP2002028917A |
To rapidly release an inner form from a molded hollow structural material by manufacturing the hollow structural material having a flat inner surface or a rugged surface to be used for building in a relatively simple mechanism.The form c...
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JP3251269B2 |
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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JP3252008B2 |
PURPOSE: To automatically separate a columnar member from a joint metal fitting by the use of the joint metal fitting having simple constitution. CONSTITUTION: The connection of a plurality of columnar members 2 connected through joint m...
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JP3251353B2 |
PURPOSE: To obtain a cylindrical artificial stone with high density, securing physical propertsimilary to a natural stone and provided with an excellent fine view in appearance. CONSTITUTION: An inorganic fine particle component of natur...
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JP3246782B2 |
PURPOSE: To simply and rapidly adjust the center heights of a form and an injection pipe when the form is replaced with a different one in a concrete injection pipe device. CONSTITUTION: A frame 16 is fixed to the base part of an injecti...
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JP2002501449A |
The invention relates to a process for producing a shaped body, in which a mixture of oxidic starting powders or a superconducting material, which comprises at least 30% by volume of platelet-shaped primary particles and has such a compo...
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JP3242396B2 |
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JP2001347520A |
To easily demold an internal mold by increasing a rate by which the diameter of the internal mold is contracted, and increase the dimensional precision and the durability as well.The peripheral wall is divided in the vertical direction i...
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JP3240127B2 |
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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JP2001341116A |
To eliminate the defect that bubbles concentrate to the outside surface of an arc plate-shaped concrete liner to cause the deterioration in appearance and dimensional precision of the outside surface in a method for producing the liner i...
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JP3235682B2 |
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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JP3233740B2 |
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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JP2001309516A |
To provide an RC trough capable of facilitating routing of cables and maintenance after the routing, and preventing the occurrence of a dangerous situation such as jumping of a top cover caused by vehicle vibration or the like.This RC tr...
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JP2001303888A |
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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JP3215516B2 |
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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JP2001269917A |
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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JP2001260125A |
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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JP2001260124A |
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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JP2001260126A |
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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JP2001232620A |
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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JP3199706B2 |
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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JP2001220212A |
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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JP2001219418A |
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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JP2001214267A |
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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