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JP3926018 |
To efficiently and economically produce a desirable slurry. After supplying a prescribed quantity of molten metal 12 into a heat insulating crucible (18a), 18b, a chiller 56 whose temp. is cooled to a prescribed temp. not higher than the...
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JP3927957 |
To save the consumption of energy needed to the formation of a low melting point metal alloy and to enable the formation of a metal part having small weight by consistently performing the production, the storing, the weighing and the inj...
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JP2007054873 |
To provide a technique which can visualize the flow of molten metal using the molten metal to be actually used upon casting, and, by the technique, to attain the grasp of the behavior of molten metal, and the examination of a packing met...
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JP3918711 |
To provide a method and an apparatus for semi-solidification of a high melting point metallic material, by which high durability of the apparatus can be achieved with a simple structure, and molten metal of the high melting point metalli...
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JP3918397 |
To provide an adhesion-resistant oxygen-free copper rough drawing wire and its manufacturing method and apparatus, in which wires do not adhere to each other and mass production at low cost is possible. An adhesion-resistant oxygen-free ...
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JP2007046071 |
To obtain an Mg-alloy casting or forging in which Fe content is decreased to a value lower than 0.002 wt.%.An Mg alloy raw material thrown into a melting furnace 3 is melted to undergo component regulation, subjected to temperature fall ...
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JP2007046093 |
To provide aluminum foil for electrolytic capacitor electrode in which foil thickness can be increased and higher capacitance can be attained and also to provide its manufacturing method.When manufacturing the aluminum foil for electroly...
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JP2007038252 |
To provide a method for manufacturing an oxygen-free copper wire rod, which employs a continuous casting and rolling method using a rotation shifting mold, and which can produce the wire rod excellent in surface quality and also an oxyge...
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JP2007039744 |
To provide a rotary gassing device which suppresses occurrence of a vortex flow in the face of molten metal, and prevents deterioration in the cleanliness of the molten metal, and remarkably contributes to the cleanliness of the molten m...
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JP3909455 |
To provide a method of molding a porous plug which manufactures the porous plug advantageous for enhancing homogeneity in the axial length direction and exhibiting gas permeation performance, molding equipment for the porous plug and 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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JP3896650 |
To provide a method for smoothly casting a Ti-containing extra low carbon steel without causing the clogging of a nozzle at the time of continuous casting. When producing a Ti-deoxidized extra low carbon steel which has a composition con...
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JP2006346708 |
To solve the problem that casting parts, which are cast with a laminar flow die-casting in order to prevent the entrapment of a gas and can not be used for the portion (the weakest cross sectional part) which concentrates the stress in i...
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JP2006341268 |
To provide an apparatus and a method for continuously manufacturing a copper alloy, by which apparatus and method, even an alloy having high alloy concentration and an alloy containing difficult-to-dissolve elements can be stably melted ...
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JP2006342383 |
To provide an apparatus for degasifying and purifying molten aluminum metal, which is suitable for improving the durability of a stirring means, and to provide a degasifying and purifying method.The apparatus for degasifying and purifyin...
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JP2006326645 |
To provide a molten metal pouring apparatus with which molten metal filling quantity per unit time into a cavity in a metal mold for casting so as to be made in a prescribed range.A casting ladle 20 and a pouring ladle 38 constituting th...
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JP2006326646 |
To improve the quality of a cast product by removing slag from molten metal.In the inner part of a hollow cylindrical shaped ladle 20 for casting, a slag-trapping plate 30 and a plate 32 for pocket part, are arranged so as to bridge to b...
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JP3879794 |
To improve the stirring effect on molten metal of molten steel or the like, by bending spirally at least the tip part of a blowing passage faced to the molten metal in a gas blowing plug having the blowing passage for blowing gas into th...
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JP2006312776 |
To provide a method for producing a steel in which Ca and Mg are jointly added in addition to a high S component for the purpose of improving its machinability, and further, MnS is finely dispersed and spheroidized for the purpose of mai...
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JP2006312174 |
To provide a continuous casting method where the proper quantity of (a) low boiling point and/or low melting point metallic element(s) can be uniformly dispersed into a continuously cast slab.(1) The continuous casting method for molten ...
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JP3875604 |
To provide a method for producing a zinc base alloy having excellent casting ability and surely giving desired strength, hardness and heat-resistance on the surface layer part. After dipping out molten metal 22 composed of the zinc or th...
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JP3873021 |
To provide a method for preparing titanium or titanium-alloy articles having an ultra-fine grain structure without using a heat treatment step. A coarse-grained titanium or titanium-alloy material typically is heated and forced under con...
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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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JP2006289411 |
To provide a method and an apparatus for continuous casting with which fine particles of a compound of metal element are added into molten metal at high yield and can be uniformly dispersed in a cast slab.In the method for continuous cas...
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JP3867683 |
To provide a molten steel refining apparatus in which the sticking of slag and spattered molten steel onto a snorkel is restrained and the productivity can be improved. This refining apparatus is for separately performing an operation us...
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JP3866717 |
To provide a molten metal processing agent and a molton metal processing method that can prevent oxidation and vaporization of molten metal and that exert no adverse effects on the environment. In a pressure container 1, there is filled ...
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JP3864842 |
To provide a refining process which increases efficiency of inclusion removal, degassing reaction, or the like, of a molten metal. In the refining process, a dip tube 11 is dipped into the molten metal 13, and the ambient pressure above ...
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JP2006257478 |
To provide a flame-retardant magnesium alloy in which the crystallization of Al2Ca is suppressed and the elongation of the alloy is improved and also cast-material strength, plastic workability and heat treatability are improved and also...
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JP2006255713 |
To achieve an ingot having a homogeneous composition by suppressing the segregation of Y when an Mg alloy containing Y is manufactured by melting.After melting the Mg alloy containing Y, the ingot is solidified in a solidification time o...
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JP2006257542 |
To provide an extremely low carbon steel sheet surely preventing surface flaw and also, excellent in the workability and the formability by finely precipitating oxides at the solidifying time while developing practically no inclusions in...
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JP3856935 |
To provide a degasification cleaning device for molten metal excellent in stirring effect and capable of preventing the the defect of hard spots on a cast product caused by the entrapment of a nonmetallic inclusion into molten metal. Eve...
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JP2006249551 |
To provide a method for stably manufacturing a high cleanliness steel containing an extremely small amount of inclusions, by promoting the separation and removal of the non-metallic inclusions from the steel while inhibiting them from fo...
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JP2006249491 |
To obtain a high-silicon steel sheet having excellent high-frequency core loss characteristics by effectively suppressing grain growth without inhibiting magnetic domain wall migration.The steel sheet has a chemical composition containin...
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JP2006234360 |
To provide a charging device capable of charging a raw material to molten metal stored in a storing container with an upper lid without removing the upper lid while minimizing heat energy loss.This raw material charging device 1 comprise...
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JP2006233254 |
To provide a useful method for producing a high cleanliness steel with which the high cleanliness is achieved by reducing inclusion caused by entrapment of slag with gas stirring, as less as possible.In the method for producing the high ...
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JP2006225727 |
To provide a method for producing an extra-low-carbon steel by which the surface flaw can surely be prevented by preventing an agglomerated body of inclusions in molten steel and finely dispersing inclusions in a steel plate.This method ...
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JP2006225736 |
To provide a method for producing an extra-low-carbon steel by which the surface flaw can surely be restrained by minimizing the production quantity of alumina-inclusion in molten steel without increasing production cost.This method for ...
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JP2006218540 |
To provide a heat insulating material for molten steel which is quickly melted on the molten steel surface and can prevent re-oxidation of the molten steel.This heat insulating material for molten steel is the one which blends a raw mate...
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JP2006218534 |
To provide a method for efficiently removing fine inclusions as impurities in molten steel by sticking the inclusions on gas bubbles.In the method for removing the inclusions in the molten steel by sticking the inclusions on the gas bubb...
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JP2006213962 |
To provide a method for producing a steel with which oxygen concentration in molten steel can surely be controlled at low cost without greatly changing the conventional steelmaking process.This production method is performed as the follo...
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JP3840400 |
To provide a method for producing a semi-molten cast billet of an aluminum alloy for a transport apparatus in a simple process by which the reduction of cost is promoted, and the product becomes homogeneous. An aluminum alloy containing,...
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JP2006206993 |
To provide a low thermal-expansion material showing high abrasion resistance in addition to low thermal-expansion properties, and to provide a manufacturing method therefor.The low thermal-expansion material containing spherical vanadium...
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JP2006189229 |
To provide an inexpensive stirring device easy in its maintenance and a non-ferrous metal melting furnace with the stirring device.This stirring device comprises a heat-proof container 102 and a rotary magnetic body 20 rotatably stored i...
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JP2006188755 |
To provide a steel sheet with adequate ductility particularly represented by hole expansion properties, and to provide a useful method for manufacturing a steel ingot for obtaining the sheet steel.The steel sheet comprises 0.04-0.25% C, ...
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JP3824119 |
To dissolve such problem as clogging of a slit with respect to a slit type gas blowing plug. Relating to the dense brick-made gas blowing plug having slit passages 18 extended in the axial direction as the blowing passage for blowing the...
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JP2006176874 |
To provide an apparatus for releasing and dispersing air bubbles by which, in molten metal treatment, stirring force can be increased and fine air bubbles can be uniformly and efficiently dispersed in the molten metal and also the expans...
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JP2006175494 |
To provide a method for producing a ferritic matrix which is soft and has high ductility at a low cost, even though it is a thin ductile cast iron product which is not chilled.The invention has been realized by finding the fact that a fe...
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JP3821109 |
To provide a method for refining molten metal by which fine bubbles are developed and widely dispersed in the molten metal to efficiently remove inclusions. A pressure-reducing process, in which slag is floated up on the molten metal sur...
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JP2006169635 |
To provide a ductile cast iron alloy reformed so as to comprise molybdenum in a limited amount to remarkably increase the heat resisting properties of an alloy including creep, fracture, tension and LCF (Low Cycle Fatigue) properties.The...
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JP2006167772 |
To prevent development of a gap in a refractory having a metallic plate by preventing deformation caused by heat-expansion of the metallic plate and by improving adhesion to the metallic plate.In a refractory composite having the metalli...
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