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JP3679327B2 |
Apparatus for a metal reduction and melting process, in which a metal and carbon-containing burden is heated in an induction furnace including a heating vessel in which the burden can float in at least one heap on a liquid metal bath in ...
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JP3678819B2 |
To prevent a possible steam explosion due to molten radioactive substances and cooling water by confirming whether a crack has occurred in a water-cooled copper wall crucible and by detecting the inflow permeation or leakage diffusion of...
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JP3675810B2 |
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JP2005521855A |
An induction furnace capable of operation at temperatures of over 3100° C. has a cooling assembly ( 60 ), which is selectively mounted to an upper end of the furnace wall ( 76 ). The cooling assembly includes a dome ( 62 ), which is act...
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JP3672299B2 |
To improve degree of vacuum by reducing the volume of a vacuum vessel and hence ensure casting of high impurity metal, in a floating melting/ casting apparatus for casting under a vacuum atmosphere. A mold 11, that comprises a hollow cyl...
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JP3657274B2 |
PCT No. PCT/EP97/01999 Sec. 371 Date Feb. 12, 1999 Sec. 102(e) Date Feb. 12, 1999 PCT Filed Apr. 17, 1997 PCT Pub. No. WO97/40197 PCT Pub. Date Oct. 30, 1997The present invention provides a metal containing compound reduction and melting...
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JP2005127678A |
To provide a melting device, and a melting method preventing molten silicon leakage occurring before complete melting due to a structure and mechanism of the melting device, reducing scattering of molten silicon when tapping the molten s...
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JP3649446B2 |
PCT No. PCT/GB95/01313 Sec. 371 Date Jan. 30, 1997 Sec. 102(e) Date Jan. 30, 1997 PCT Filed Jun. 7, 1995 PCT Pub. No. WO95/33964 PCT Pub. Date Dec. 14, 1995Dual electric/gas heating in a crucible melting furnace with segmental lining, an...
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JP2005121278A |
To provide an induction heating melting furnace for adding a melting material stably with supply power in a melted state without reducing the supply power to an induction heating coil.In the induction heating melting furnace 10, having a...
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JP3641207B2 |
The present invention relates to apparatuses for preparing a crystal of the cremated remains which use a gas furnace, an electric furnace and a high-frequency furnace. One method for preparing a crystal of the cremated remains comprises ...
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JP2005069532A |
To provide a dissolving device for polycrystalline silicone for solar batteries capable of solving problems wherein fused liquid of silicone is scattered when discharged to adhere to a device to discharge the fused liquid of silicone to ...
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JP2005059015A |
To provide a practical device for melting and casting a metal, in which continuous casting can be naturally and smoothly executed by successively drawing molten metal into a mold and solidifying the molten metal.The molten metal, which i...
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JP3628040B2 |
PURPOSE: To supply melted meal including less impurities and to provide a more efficient melted metal retaining furnace. CONSTITUTION: A retaining furnace body 10 is provided with a retaining bed to retain melted metal and also with a di...
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JP2005055017A |
To provide a practical molten metal tapping device for tapping molten metal while performing high frequency induction heating, capable of easily and surely melting a clotted shell which may be formed on an inverted conical part of a nozz...
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JP3625052B2 |
To provide a high-frequency induction furnace for melting miscellaneous solid wastes, an induction heating body and the melting method of miscellaneous solid wastes, which are capable of melting miscellaneous solid wastes, rich in nonmet...
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JP3624682B2 |
To remove a non-metallic inclusion easily out of a metal including the non-metallic inclusions. A metal, containing a non-metallic inclusion, is molten in a floating and melting furnace, consisting of a crucible 5 made of a conductive me...
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JP2005048994A |
To provide a device preventing drooping of a melting crucible caused by a clearance between a nozzle of the melting crucible and a holding crucible bottom opening.The casting device has a melting part comprising the melting crucible 1 an...
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JP3613808B2 |
PURPOSE: To reduce high frequency power source and reduce the cost of equipment. CONSTITUTION: An induction coil 1 is replaceably fitted onto a vessel whose plan crosssection is variable, and the induction coil 1 is connected to a transf...
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JP2005016855A |
To provide a casting device, solving the problem that a fusing time cannot be shortened because of the structure and mechanism of a fusing device, resulting in the dispersion of the fusing time, the impossibility of holding melt and cont...
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JP2005016812A |
To provide a treatment device for molten metal, capable of carrying out smooth and safe collection of all amount of molten metal, if leaked from a damaged crucible.On the bottom face of a furnace floor wall 3 located at the lower part of...
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JP2005009803A |
To improve heat efficiency of a crucible furnace by feeding metal to be melted to a crucible at a given rate to a given amount of molten metal used, while keeping volume of the molten metal in the crucible constant, and securing stable p...
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JP3608692B2 |
To contrive space saving and cost reduction while securing excellent thermal efficient possessed by a regenerative burner. In the heat storage unit 14 of a single heat storage chamber type regenerative burner 13, attached to a proper pla...
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JP2005001934A |
To reduce the cost of a crucible for an apparatus for melting a sapphire powder in the crucible by high frequency induction heating, and pulling and growing a sapphire single crystal.The apparatus has a cylindrical heating chamber 60 pro...
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JP3608240B2 |
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JP3605484B2 |
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JP3605483B2 |
To provide a high purifying refining method of metal and alloy which can purify to at least the purity or higher of the original material, and a high frequency induction vacuum melting apparatus suitably used to high purified refining of...
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JP3601939B2 |
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JP3598106B2 |
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JP3598038B2 |
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JP2004330244A |
To improve a casting valve in a molten metal flow passage for connecting a melting chamber for executing the vacuum melting and a mold chamber for executing the vacuum casting, which can separate both chambers in a vacuum manner, evacuat...
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JP2004314121A |
To provide a practical device for melting and casting metal in which the metal levitation-melted in a levitation melting furnace is drawn in turn into a mold provided under the furnace and is solidified so as to be cast smoothly without ...
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JP2004317096A |
To provide a practical device, promoting smooth atomization of molten metal by preventing the molten metal from adhering to the inner surface of a molten metal nozzle part of a gas atomizing nozzle to cause coagulation during the atomiza...
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JP2004315293A |
To provide a zirconia member for heat treatment by which the improvement in durability and corrosion resistance is made possible and to provide a method for manufacturing the same.The sintered zirconia compact (a) is mainly composed of c...
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JP3584492B2 |
An annular exhaust gas passage 2 and an airtight retention member 3 for keeping the inside of a crucible induction furnace 1 airtight are installed on the top of the furnace 1, and an exhaust system under atmospheric pressure is connecte...
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JP2004301413A |
To provide an induction heating melting furnace for manufacturing an alloy at an accurate rate of composition with good melting efficiency while reducing sculls as un-melted portions.The induction heating melting furnace 10 comprises a m...
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JP2004530275A |
An induction furnace is provided with a bottom induction coil to melt, heat and/or stir an electrically conductive material placed in the furnace. The furnace is particularly useful for electrically conductive materials having a relative...
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JP3570083B2 |
To melt and remove the remaining metal in the vicinity of the outlet of a crucible to operate continuously by taking out molten metal from a bottom hole outlet type floating metal melting device, then reducing a of a power factor improvi...
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JP3570084B2 |
To easily remove the remaining metal in the vicinity of a flow exit port by mounting a pipe-shaped adaptor, having the same material as molten metal and the outer diameter almost equal to the inner diameter of the flow exit port on the f...
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JP3571212B2 |
To provide a melting and casting method with which various shapes of melting raw materials are melted in the lump and the adjustment of components in the molten metal can be executed and a cast block can be produced by tapping the molten...
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JP2004263206A |
To provide a heat treatment device in which the configuration of a magnetic field generation means is made simple by using a compact solenoid magnet (an air-core coil), and as a result, the weight and the height of the device are reduced...
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JP2004264063A |
To visually specify the instance at which a sample of a complicated shape changes into a spherical shape by acquiring the contrast of the sample even if the sample glows at high temperatures and outputting position information required f...
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JP2004244276A |
To provide a melting apparatus in which a problem wherein a conventional casting apparatus is complicated and made large sized because of the structure and the mechanism of the casting apparatus is solved.In the melting apparatus in whic...
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JP2004238254A |
To provide a unidirectional solidification method by which a good quality ceramic composite material free from cracks and not being polycrystalized is obtained in a high yield; and to provide a crucible used in the same.The method for ma...
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JP3542074B2 |
To automatically perform horizontal and vertical movement of electrodes and discharge of molten slag according to the temperature and level of the molten slag, save electric power consumption and prevent breakage of a transformer, a furn...
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JP3541312B2 |
To provide a metal melting, scouring furnace suitable for training in school. The scouring furnace using two welders further uses two elevators (jacks in Fig. 1) and arc is generated from above and below a graphite crucible fixed with a ...
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JP2004150769A |
To provide a high quality non-oxidized metal by making reducing atmosphere by providing free electrons, and easily preventing binding with oxygen.This metal oxidization preventing device 21 is provided with an electronic melting furnace ...
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JP2004514634A |
A crucible for melting a silica for fusion of said silica into a desired shape. The crucible having a main body with inner and outer surfaces comprised of a refractory material. In addition, the inner surface adjacent at least a melting ...
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JP2004142957A |
To provide a low elastic modulus alumina-magnesia castable refractory, a pre-cast block using the same, and a molten metal vessel.The low elastic modulus alumina-magnesia castable refractory contains 60-95% Al2O3, 1-15% MgO, 0.1-10% CaO ...
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JP2004125246A |
To provide a melting method of high purity Si and a melter used therefor optimal and efficient when melting metal Si of a raw material by a plasma arc.This device is constituted so as to melt and manufacture the metal Si by the plasma ar...
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JP2004108666A |
To provide a crucible-shaped induction furnace capable of efficiently melting powderlike and particlelike small piece material without requiring forced stirring by a tool for stirring.In this crucible-shaped induction furnace having a cy...
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