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JPH105978A |
To enable the drastical shortening of a molten metal impregnating time into a preform by forming the film layer of a metallic shielding material on the peripheral surface of the preform except the connecting part for a molten metal pouri...
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JPH105961A |
To improve drawing workability of plural kinds of tubes by arranging plural kinds of clamps having different expanding displacement quantities each other around a rod to be advanced in a tube. After a rod 13 is set on a tube axial center...
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JP2694065B2 |
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JPH09300062A |
To manufacture a bearing excellent in durability by forming the whole body of the bearing alloy into close crystalline structure. Coarse crystals 2b are crystallized near the surface in a casting process casting the bearing alloy 2 on a ...
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JPH09300055A |
To prevent the development of deformation and crack due to the use after regenerating a metallic mold and to improve the durability by removing tensile stress remaining on a repaired surface of the metallic mold for forming a centrifugal...
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JP2665265B2 |
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JPH09253819A |
To improve the efficiency in a casting process for a product, prevent the breakage of monolithic refractory itself at the time of casting, reduce the defect in the casting and to extend the service life of an end plate itself by shorteni...
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JP2652310B2 |
PURPOSE:To safely keep non-combustible harmful waste in a more volumetrically reduced form by injecting a residual metal component melt and a non-metal component melt into a bottomed cylindrical container formed from an unsolidified meta...
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JPH09229563A |
To fill a casting mold with molten metal immediately without leaving no corners unfilled while hardly causing a pinhole by holding a molten metal pouring port of a crucible so as to be directed upward with the aid of an angle varying mec...
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JP2649319B2 |
PURPOSE: To obtain a ferritic alloy steel which is used for making very large pipe molds having long usage life and is excellent in ductility and toughness by specifying a composition comprising C, Mn, P, S, Si, Ni, Cr, Mo, V and Fe. CON...
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JP2647767B2 |
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JP2647766B2 |
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JP2543842Y2 |
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JP2641438B2 |
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JPH09209071A |
To remove the occurrence of defective joining, by melting, between layers, to minimize the amount of external-layer components mixed into internal layer, and to prevent the deterioration in the toughness of the internal layer, at the tim...
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JPH09209002A |
To provide a method for safely manufacturing an alloy contg. a metal which is exceedingly active in the air such as to ignite or explode immediately upon exposure to the air, although stable in liquids such as water and alcohol. Green co...
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JPH09168850A |
To uniformly and efficiently coat a coating agent on the outer peripheral face of a core for a centrifugal casting machine without deteriorating surrounding environment. The device has coating equipment 9 to coat a coating agent on the o...
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JPH09168851A |
To uniformly and efficiently coat a coating agent on the outer peripheral face of a core only without deterirating surrounding environment. After a core 2 is fitted in plural clamp members 34 which are mounted to a drive shaft 19 of a dr...
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JPH09168849A |
To clamp a core for a centrifugal casting machine from an inner peripheral face avoiding a rib. In the handling device of a core 2 for a centrifugal casting machine, in which ribs are protruded in a peripheral prescribed interval on the ...
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JPH09164519A |
To improve the yield of a refractory cylindrical cast product of high quality uniform in filling density as a whole and eliminated in the possibility of the crack and damage caused by expansion difference. A process inclining a casting r...
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JP2622263B2 |
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JP2618309B2 |
PURPOSE: To obtain a centrifugally cast sleeve roll combining wear resistance, crack resistance, and high toughness by integrally joining, by melting, an outer layer material having a specific composition consisting of C, Si, Mn, Cr, Mo;...
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JPH09141409A |
To solve the problem that defective products are produced since the defective parts such as shrinkage hole, segregation of impurities is liable to concentrate near the center part of the metallic mold in the metallic mold for centrifugal...
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JPH09122866A |
To enable the draw-out of plural kinds of cylindrical products having different inner diameters with one kind of a chuck claw, to reduce changing frequency of the chuck claw and to improve the working efficiency. The tip part 5A of chuck...
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JP2605694B2 |
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JP2603186B2 |
PURPOSE: To continuously execute the casting work. CONSTITUTION: A rotary shaft 3 provided with a centrifugal body of rotation on one end and a stopper rod 4 are provided on a box 2 in a parallel manner, a shaft piece 8 where one end of ...
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JP2601494B2 |
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JP2601746B2 |
PURPOSE: To obtain a centrifugally cast sleeve roll free from segregation and combining wear resistance, crack resistance, and high toughness by integrally joining, by melting, an outer layer material having a specific composition consis...
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JP2596928B2 |
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JP2594865B2 |
PURPOSE: To provide a centrifugally cast roll combining wear resistance, crack resistance and toughness. CONSTITUTION: The centrifugally cast roll can be prepared by integrally bonding while fusing an external layer material having a com...
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JP2588573B2 |
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JPH0957414A |
To provide a centrifugal forming method which improves the heating efficiency of a forming die, is profitable to obtain the good quality by restraining rapid cooling of fluid forming material of molten material, etc., and to improve the ...
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JPH0952166A |
To provide a metallic tube having a thick wall part which is suitable to be used as a column of a building and capable of firmly joining a beam by a simple work. A metallic tube 1 with a locally thickened wall part is made by pouring the...
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JP2579575B2 |
PURPOSE: To provide a centrifugally cast roll combining wear resistance, crack resistance and toughness. CONSTITUTION: The centrifugally cast roll can be prepared by integrally bonding while fusing an external layer material having a com...
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JP2579576B2 |
PURPOSE: To provide a centrifugally cast roll combining wear resistance, crack resistance and toughness. CONSTITUTION: The centrifugally cast roll can be prepared by integrally bonding while fusing external layer material having a compos...
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JPH0924450A |
To uniformly grow the columnar crystal which is long in the radial direction, and to facilitate the post-treatment after the mold is released. The molten metal 22 is poured in a mold 12 through a nozzle 18a by pouring the molten metal 22...
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JPH0925553A |
To prevent the generation of harmful oxidized scales at the time forming an iron-aluminum alloy layer by thermally spraying the surface of a cast iron pipe with the powder of aluminum base metal and executing annealing treatment. The sur...
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JP2573716B2 |
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JPH0919752A |
To prevent the burning of the surface of a steel-made member, such as a chute for pouring molten metal in a centrifugal casting apparatus from being easily generated. On the surface layer of the chute 11 as the steel-made member, an alum...
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JPH0910918A |
PURPOSE: To obtain a uniform and fine grain structure by remelting a soft metallic layer with laser beam irradiation after casting the soft metallic layer on the inner surface of a bearing base metal and finishing to eliminate cast defec...
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JPH0910904A |
PURPOSE: To provide a horizontal composite die for centrifugal pressure casting capable of efficiently manufacturing various castings of different shape and to provide its centrifugal pressure casting method. CONSTITUTION: An inner die 1...
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JPH091305A |
PURPOSE: To provide a manufacturing method to improve the fatigue strength of a bearing layer of a plain bearing. CONSTITUTION: A bearing layer 12 made of the soft metal such as white metal and aluminum-tin alloy is cast by the centrifug...
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JP2519752Y2 |
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JP2561498B2 |
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JPH08323455A |
PURPOSE: To prevent the deterioration in the mechanical property due to the mixing of the outer molten steel into the inner layer by dividing the pouring timing of the inner molten steel into several stages, and successively pouring the ...
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JP2559905B2 |
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JP2555236B2 |
PURPOSE: To provide a centrifugal casting method for simplifying application of coating material on a forming surface of socket part and easily obtaining a casting tube having a high quality socket part. CONSTITUTION: In the centrifugal ...
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JPH08281405A |
PURPOSE: To enable positional shift of an upper electrode at the time of melting a metal while holding air-tightness in a casting chamber in a high level in a simple structure. CONSTITUTION: In a centrifugal casting apparatus so as to me...
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JP2546416B2 |
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JPH08269614A |
PURPOSE: To produce a ductile cast iron tube in which chilling is prevented and having high strength even if the tube is a thin one. CONSTITUTION: This is a ductile cast iron tube contg., by weight, 2.6 to 3.4% C, 3.4 to 4.2% Si and ≤1...
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