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JP2004099959A |
To provide a cleaning method and a cleaning device for consistently taking slag of high impurity concentration out of a crucible when removing impurities from a material (in particular, metal) containing impurities by a melting method by...
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JP2004093090A |
To provide a cold crucible melting furnace solving the problem and capable of stably floating up molten metal even in the case of the crucible of 100 or more.The cold crucible melting furnace 10 is provided with a melting crucible 16 div...
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JP2004091246A |
To melt an iron-phosphate glass material in a stable condition.The iron-phosphate glass material 15 is supplied in a container 16 made of a conductive ceramic such as silicon carbide, or zirconium boride, and the container 16 is housed i...
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JP2004089914A |
To provide a waste treatment apparatus leaving little residue after treatment of waste.This apparatus includes a three-phase arc-heating furnace 2 capable of heating up to 2,000°C or higher in order to gasify the waste. The heating furn...
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JP2004060996A |
To provide a water-cooled crucible for induction fusion designed to have large rate power distribution to a work.In this water-cooled crucible for induction fusion, a plurality of slits 1 and a plurality of segments 2 wherein cooling wat...
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JP2004060946A |
To achieve a waste melting apparatus and a waste melting method even without any thin crucibles.In the waste melting apparatus 10 having a vertical type furnace wall section 20 where a heating coil 21 is incorporated and an elevatable fu...
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JP3489868B2 |
PURPOSE: To produce a crucible having a long useful time at high temp. and fit for a system for melting and caking low-level radioactive miscellaneous solid waste. CONSTITUTION: A proper amt. of one or more kinds of binders selected from...
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JP2004019977A |
To provide a melting furnace reduced in limitation of materials to be melted, facilitated in discharge of the melted material, and improved in processing performance and durability.This melting furnace is provided with a furnace body par...
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JP3480786B2 |
To easily decide whether the operation of a molten metal leakage detector depends on the deposition of zinc or the leakage of molten metal by respectively providing molten metal leakage detecting nets on both sides of the boundary surfac...
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JP3481679B2 |
PURPOSE: Not to bring the molten metal in holding furnace into contact with the atmosphere in releasing pressurizing of low pressure casting machine. CONSTITUTION: The machine has a connecting tube 3 in which its lower end opening part i...
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JP3474228B2 |
PURPOSE: To reduce weight which is moved during a pouring process by bringing a seal flange which surrounds an opening for transferring a melt into contact with a seal flange in another gas-tight chamber, where a melt receiving vessel is...
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JP2003343979A |
To reduce an amount of incrustation and other foreign matter floating on a surface of molten substance to be poured into an investment mold. A melting method is constituted by putting a disposable (unable to reuse) self-sustaining firepr...
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JP2003340560A |
To provide a method and an apparatus for manufacturing a longer ingot than an ingot manufactured by a conventional simple batch method in a technique for manufacturing the ingot of an active metal such as a titanium alloy by melting with...
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JP2003534916A |
A container system including a vessel for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet and an ejection system for cleanly discharging the processed thixotropic semi-solid aluminum billet. The c...
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JP2003327433A |
To provide a glass fusing furnace which can avert the deposition of platinum group elements.Three or more inclined walls 21, right side junctures which can be touched by the left side marginal end faces of these inclined walls 21, and co...
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JP2003322475A |
To provide a dust-collecting device for an electric furnace with a ring hood capable of preventing the outflow of gas or smoke from a tapping port while suppressing heat loss in the furnace in a furnace lid closing state upon dissolution...
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JP2003307390A |
To provide a cold crucible induction melting and casting system capable of performing a process for reducing volume of melting material and stably and continuously manufacturing ingots by recycling used materials and for manufacturing fa...
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JP2003239025A |
To economically and stably prevent surface defects of an ingot of metal of high melting point, which is manufactured by a consumable electrode type vacuum arc melting method.A coating material containing ≥30% TiO2 is applied on an inne...
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JP3439499B2 |
PURPOSE: To provide a crucible having a long life to refine metal disliking mixture of Cr. CONSTITUTION: A crucible for refining metal comprises a metal wall 2 of metal containing a small content of Cr such as Ni, Cu, etc., metallurgical...
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JP2003227687A |
To provide a metal melter that melts various steels or nonferrous metals by a semi-levitation process without pollution and with excellent power efficiency.The metal melter 1 includes a furnace wall 4 of a crucible 2 comprising a refract...
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JP2003523917A |
The present invention provides a process for producing alumina matrix carbide and boride reinforced ceramic composites wherein for any particular composite, the relative density is about 97% or more of the theoretical density. The compos...
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JP2003222472A |
To provide a crucible capable of reducing temperature difference between the neighborhood of a side face and the neighborhood of a center in the crucible.In this crucible used for depositing an organic material onto a base, the organic m...
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JP2003207275A |
To provide a fusing crucible capable of fusing vanadium and its compound while retaining purity thereof.In this crucible for fusing vanadium and its compound, a silicon carbide layer is provided on at least an inner face of the crucible ...
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JP3425990B2 |
PURPOSE: To enable an induction furnace to melt and cast a large quantity of metallic charge by arranging a closure plate on a chassis which can be run in a straight line by using rollers and bearing a tilting frame by using two coaxial ...
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JP2003193062A |
To provide a charcoal kiln for producing high-quality charcoal by moderate heating through avoiding the overbaking of a charcoal material by mounting an inner vessel on an oven body, circulating burner flame through a gap between the inn...
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JP3423364B2 |
PURPOSE: To provide an inexpensive induction melting apparatus having structure as compact as possible, in which melting process and casting process are carried out, while minimizing secondary times. CONSTITUTION: An induction melting ap...
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JP2003185346A |
To provide a crucible for melting rare earth alloy capable of elongat ing the life with little erosion even when the rare earth alloy is melted therein, and a yield rate of the alloy can be improved.A layer including rate earth metallic ...
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JP2003171183A |
To provide a castable refractory which has high strengths and can reduce the occurrence of cracks and peeling to lower the wear rate more than the conventional material.The castable refractory is an alumina-magnesia castable refractory c...
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JP2003518439A |
An additional chamber (14) between the molten metal storage tank and the taphole for adding molten metal to the mould is used to carry out heating of the metal using a thermal plasma torch. A smelting furnace for casting includes a suppl...
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JP2003147447A |
To provide an apparatus for distilling molten metal with which alloy making components can perfectly be separated and which has a simple structure and is used versatilely by improving a vacuum pot consisting essentially of two portions, ...
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JP2003148715A |
To solve the problem that a crucible needs to be totally replaced for exhaustion of only a portion thereof such that only the lower part of a crucible where melting ashes are stored is exhausted, and also to provide a simple manufacturin...
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JP3407749B2 |
PURPOSE: To prevent damage to the refractory material which is caused by an abnormal rise of the temperature of the melt at the time of scaffolding by embedding a plurality of temperature sensors in the refractory material forming the fu...
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JP3407775B2 |
To provide a plug which is not allowed to melt into molten metal even when the molten metal touches the plug by using the water cooling copper- made plug as the plug for blocking a tap hole in a floating melting furnace. A cylinder porti...
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JP2003130330A |
To fundamentally solve the problem of a conventional refractory brick type, large melting furnace, to solve the problems that a large crucible is transformed under its own weight when the crucible is manufactured and cost increases by a ...
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JP2003130554A |
To uniformly heat a material to be treated without causing adhesion of the material to be treated to the inner surface of a container by thoroughly stirring the powdery material to be treated.With the container stored in a furnace body 1...
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JP2003121321A |
To provide an ashing treatment apparatus used in ashing treatment being pretreatment operation at the time of analysis of medicines and food, facilitating high temperature heating, capable of keeping an arbitrary set temperature stable a...
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JP2003120923A |
To solve the problem of frequently causing permanent set in fatigue of a crucible 4 in the center and cracks due to stress strain in the vertical direction due to dead load when an apparatus is heated to a high temperature as much as 1,6...
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JP2003113430A |
To provide a casting method which can prevent a molten magnesium or alloy from oxidation and burning and can cast the molten metal into a mold in a good work environment.This method includes melting magnesium or the alloy, with heat gene...
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JP2003514214A |
An induction heating and melting system uses a crucible formed from a material that has a high electrical resistivity or high magnetic permeability, and one or more inductor coils formed from a wound cable consisting of multiple individu...
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JP3396312B2 |
PURPOSE: To stably hold melted metal by providing a DC current supplying circuit for supplying a DC current superposed on a high-frequency coil in a metal melting and floating apparatus for holding the metal in the air. CONSTITUTION: Whe...
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JP2003105454A |
To melt a high-quality nonferrous metal in high yield even in the case of melting in an open atmosphere.(1) In this method, the nonferrous metal is melted by using a crucible with a cover, and the cover having a melting point higher than...
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JP2003083682A |
To provide a technology for suppressing temperature unevenness in molten metal at the time of pouring the metal from a vessel into a holding furnace.The inside of the vessel 100 is heated by a gas burner 100i, until temperature of a heat...
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JP2003074828A |
To eminently improve durability even when the device is used at a high temperature of 1600-1700°C or higher for a long time, solve the problem that a molten ash in the vicinity of discharge port 13 is cooled and soilidied for choking an...
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JP2003075073A |
To prevent a container from being worn in a furnace for melting waste and reducing the volume of the same.A waste melting furnace comprises a container 1, for at least part of which a conductive material is used, a high frequency coil 2 ...
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JP2003075072A |
To provide an apparatus and a method for stirring an object for melting and refining applicable to the case where a specimen is non-conductive without influencing an electron beam orbital during melting and refining with electron beam.A ...
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JP2003073794A |
To provide a heat-resistant coated member which has satisfactory heat resistance, corrosion resistance, and non-reactiveness, and is effectively used for sintering or heat-treating metal or ceramic under vacuum, an inert atmosphere or a ...
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JP2003057394A |
To provide canister furnace wall structure and a method of manufacturing a canister provided with the canister furnace wall structure combining both erosion resistance and spalling resistance. This canister 1 comprises wires 3, 5 for fas...
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JP2003056987A |
To solve the problem of a solid molding induction heating coil that a space for cooling an induction heating coil is required although incomplete insulation, oil leakage, electric shock accident due to leak caused by dew formation can be...
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JP2003055709A |
To efficiently manufacture steel containing nitrogen in high concentration without contamination of impurities in a short time. In the process wherein steel is melted in a gaseous-nitrogen atmosphere by the use of a pressurized induction...
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JP2003056988A |
To provide a hard to crack crucible for melting metal exhibiting good heating efficiency, excellent durability and low reactivity to a matter being melted. Outer surface of a container 1 made of alumina or silicon nitride is coated with ...
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