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JP3932371 |
To obtain a casting having uniform shape without a shrinkage hole in the inner part of a cast block and surface defect such as crack and remarkable ruggedness. In a method for producing the metallic casting, in the case of repeating an o...
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JP2007075879 |
To provide a casting method having high yield without developing a gap-defect (shrinkage cavity) in the inner part of the casting at the solidified shrinkage time, with not only a metal mold casting, but also, even with a sand mold casti...
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JP2007075855 |
To provide a device for heating a feeder-head, wherein the durability can be improved.The device 1 for heating the feeder-head comprises: a sleeve 2 having electric conductivity; and a pair of electrodes 21, 22 fitted to the sleeve 2, wh...
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JP3931223 |
To produce a uniform compositional and structural material with only a simple solidifying process. A method for producing the uniform compositional and structural material is provided, with which drips of fused liquid of a thermally fusi...
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JP3931222 |
To produce an uniform compositional and uniform structural material with a solidifying process utilizing a minute gravity atmosphere and braking at the minute gravity completing time obtained with a dropping tower. A method for producing...
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JP2007069264 |
To provide electromagnetic stirring equipment which can concurrently produce axial and circumferential stirring flows of molten metal with only a coil for generating an axial direction moving magnetic field.The invented stirring equipmen...
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JP3928336 |
To improve joint strength between a head body part and blocking members manufactured by die casting. A material for manufacturing a single head piston is provided with a body member 162 and the blocking members 164. The body member 162 a...
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JP2007056365 |
To provide a copper-zinc-tin alloy which can be a substitute for phosphor bronze.The copper-zinc-tin alloy includes 16 to 23 wt.% zinc (X) and 0.3 to 1.7 wt.% tin (Y) so that the contents satisfy the relationship of the expression (0.25X...
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JP3919946 |
To provide an alloy excellent in strength characteristic by pressurizing and solidifying a molten alloy at a specified pressure to eliminate casting defects, solidifying the molten alloy by applying the differential cooling speed on the ...
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JP3921314 |
To produce an Al alloy cast material excellent in impact fracture strength and to provide a method for producing it. In an Al alloy cast material contg. ≥2.0% Si, cast by a high pressure casting method and subjected to solution heat tr...
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JP3919256 |
To manufacture a casting free from flex and slivers by additionally cooling a casting die below a buffle by the gas flow from the outside. A casting die 12 is open at the upper end, and filled with the molten alloy 15 through a filling d...
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JP3915093 |
To provide a method and an apparatus for controlling the crystal orientation of a material to improve, especially, its properties. The crystal orientation of the material is controlled either by re-heating the material to the solid-liqui...
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JP3915710 |
To provide a carburized component having an excellent durability against failure caused by low-cycle impact fatigue. The carburized component is made of steel material comprising specific amounts of C, Si, Mn, P, S, Cr, Al, Ti, B, N, Nb ...
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JP2007039807 |
To provide a method for melting a metal stably in a high yield by electron beam melting.The method for melting a metal by electron beam melting comprises the steps of: feeding a raw material 10 from a raw material feeder 20; melting the ...
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JP2007037676 |
To improve operationality and workability for workers during the casting by using a metal material or the like he/she has never used.When the worker enters selected information on a liquid phase temperature of the metal used for the cast...
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JP2007038248 |
To provide a casting method where a modified layer having heat resistance, oxidation resistance and corrosion resistance can be extremely easily formed on the surface of a casting at a low cost even in the case of products with various s...
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JP2007030037 |
To provide a cast iron article with excellent toughness and wear resistance, and its manufacturing method.Molten metal is composed of 1.5-5.5% C, 1.5% or less Si, 1.2% or less Mn, 4.0-20% Cr, 2-12% Mo, 3.0-20% V and the balance being Fe ...
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JP3910125 |
To provide a method for controlling the temperature of a casting mold, in which abnormal temperature during casting processes can be detected by changing a set temperature monitoring region of the temperature of the casting mold in one c...
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JP2007000881 |
To provide a method for producing ductile cast iron (spheroidal graphite cast iron) having excellent impact resistance, particularly, at low temperature without performing heat treatment.In the method for producing ductile cast iron, the...
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JP2007000921 |
To improve the productivity and the energy efficiency in a producing process of molten metal for casting.Total blending ratio to raw material A of pig iron for casting having near the level of the cast product C of C content and Si conte...
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JP3899042 |
To provide a casting method with which a good cast product having no shrinkage hole etc., can be cast without coating coating agent on the inner wall surface in a cavity of a mold. When molten metal is filled up in the cavity of the mold...
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JP2006341270 |
To provide a local pressure casting die in which, even if the pressurizing timing of a pressure pin is somewhat delayed, there is no anxiety of generating cracks on the surface of a product.The local pressure casting die is constituted s...
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JP2006341280 |
To provide a method for producing an ingot where a large-sized and homogeneous ingot can be economically obtained even in the case an active metal having a high melting point such as Ti is contained therein.An ingot is cast from a molten...
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JP2006336044 |
To obtain an aluminum alloy casting which has high strength and high ductility and can be suitably used for car-body component parts and suspension-system parts, e.g., of vehicles, such as automobiles, two-wheeled motor vehicles, snow ve...
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JP2006336104 |
To provide high temperature aluminum alloys having necessary strength, ductility and fracture toughness required in various applications used at temperatures from about -420°F (-251°C) and about 650°F (343°C).These alloys comprise al...
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JP2006334610 |
To provide a method for preventing the combustion of a calcium-containing magnesium alloy held in a prescribed holding furnace.A combustion preventive gas such as sulfur hexafluoride and sulfur dioxide is fed to the surface of the molten...
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JP2006326682 |
To provide a new composition as a protective gas effective for preventing raid oxidation or combustion of a molten magnesium/magnesium alloy during production of magnesium or a magnesium alloy which has a reduced global warming coefficie...
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JP2006326630 |
To provide a method for manufacturing an aluminum composite material which is formed by casting a ferrous sintered body having high adhesiveness with aluminum.The method for manufacturing the aluminum composite material comprises a prefo...
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JP3887579 |
To provide a method and an apparatus for generating metallic gas in a reduction-casting method with which the working surroundings are safe and a working efficiency can be improved. In the method for generating the metallic gas in the re...
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JP2006316341 |
To provide a castable aluminum alloy capable of preventing seizure between the aluminum alloy and a mold when cast and having excellent yield strength and elongation and to provide a highly tough aluminum cast therefrom.The castable alum...
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JP2006316725 |
To manufacture a piston by gravity casting of aluminum alloy, and segregate an alloy component to improve heat resistance on a piston top face.This manufacturing method for the piston includes a mold assembling process (S10) of performin...
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JP2006315046 |
To provide a vibration solidification casting die where vibration is applied to a die, and macro crystal grains can be refined.The die 1 is composed mainly of: a die body 5 provided with a vibration die 3 and a fixed die 4 abutted agains...
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JP2006312180 |
To provide a reduction casting method using a molten metal supply tube where casting operations such as the supply of a reducing substance and the supply of molten metal can be efficiently performed, and reduction casting can be easily p...
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JP2006312779 |
To provide a nickel based superalloy in which crystal particle diameters are made very small without exerting adverse influence on its mechanical properties, and to provide a method for producing the same.To a nickel based superalloy ess...
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JP3878069 |
To provide an aluminum alloy which has increased high temperature strength and is suitable for a piston by incorporating Ni therein and further uniformly and finely dispersing crystallized products therein. The aluminum alloy has a compo...
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JP2006305618 |
To make realizable of a semi-solid casting with which fine crystal grain can be obtained in an alloy having extremely narrow temperature interval of a solid-liquid coexisting range, for example, < 50°C, such as 5052 aluminum alloy.In th...
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JP2006308267 |
To provide a crucible device and a solidifying method repeatedly using a crucible lowering refining cost and facilitating taking out of a solidified material.The crucible device 20 consists of a crucible main body 21 in a cylinder form w...
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JP2006299302 |
To prevent, without fail, the occurrence of component segregation and the occurrence of shrinkage cavity and void defects in the central part when manufacturing, by plasma arc melting, a long-size ingot of an alloy which contains, as all...
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JP3872707 |
To effectively miniaturize the whole device, and reliably produce desired metallic fine-particles. The device 20 for producing the fine particles comprises a mechanism 22 for producing magnesium fine particles, a mechanism 24 for generat...
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JP3872706 |
To effectively miniaturize the whole device and reliably produce desired metallic fine-particles. A mechanism 22 in the device for producing the metallic fine particles comprises a metal holder 30 for accommodating magnesium 26, a cylind...
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JP2006291333 |
To provide an iron-vanadium carbide-based wear-resistant casting material which improves wear resistance, has sufficient welding performance and is used for a press die etc.The iron-vanadium carbide-based wear-resistant casting material ...
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JP2006289486 |
To provide a method by which casting die is not given a draft angle and a core is consequently straightly taken out immediately after finishing casting, as a casting method by die casting and a thixomolding for a core-removed equipment m...
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JP3867908 |
To provide an aluminum-alloy cast superior in thermal fatigue resistance, and a method for manufacturing the same. The casting of the aluminum alloy superior in thermal fatigue resistance, which contains 3-24 wt.% silicon, 0.2-2 wt.% cop...
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JP3867980 |
To provide a nonleaded solder composition that particularly shows high wettability and cost advantage, concerning a lead-free solder, i.e., a solder containing no lead. This is a nonleaded solder composition which is indicated by Snw-Inx...
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JP3866896 |
To provide a parting agent for low-speed casting which does not pollute the working environment, has an excellent run property and lubricity, and has excellent washability of dies. The parting agent for low-speed injection die casting co...
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JP2006273627 |
To solve the following problem; a region of molten silicon having high impurity concentration has a lowered solidifying point, progress of solidification of the region is slower than that of the surrounding, and impurities are segregated...
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JP2006272373 |
To provide a mold for obtaining a polycrstalline silicon having good structure of unidirectional solidification, and to provide a casting apparatus using the mold, and a method for producing the polycrystalline silicon.The mold 101 compr...
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JP2006272400 |
To provide a casting device suitable for casting a semiconductor ingot of high quality in which the concentration of impurities is low by preventing the reaction between a semiconductor melt and CO gas as possible during casting.The cast...
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JP2006263735 |
To provide a reduction-casting apparatus which enables sure reduction-casting by solving such problem that a supplying mechanism falls in defective operation because molten metal is intruded into the supplying mechanism for supplying a r...
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JP2006255716 |
To obtain a casting having good quality by preventing the segregation when Mg alloy etc., containing additional element having large difference of specific gravities is cast.A mold 1 holding molten metal is rotated for a prescribed time,...
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