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JPH10193080A |
To obtain an automatic molten metal pouring furnace easily tapped in a fixed quantity by forming a molten metal chamber cross sectional surface of a crucible to almost square shape and a rear wall from the rear wall molten metal surface ...
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JP2777798B2 |
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JPH10183225A |
To provide a melting method of scrap having carburizing function for melting the scrap with an electric furnace or a top-blown oxygen melting furnace which restrains the use of coke having a low yield by carburizing the scrap oxidized an...
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JP2774265B2 |
To drastically lessen the generation of powder dust accompanying a dry process smelting treatment of nonferrous sulfide materials by directing raw materials, oxidizing gas and burner output widely to an influence area and particularly di...
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JP2768477B2 |
A furnace for electrothermal atomization of samples for atomic absorption spectroscopy comprises a tubular furnace body with lateral inlet aperture and sample-holding inner body which has a hollow, generally semicylindrical shape. The in...
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JPH10160355A |
To reduce using amount of inert gas for degassing by reducing oxidation from a molten metal surface. Inert gas is fully filled in a space between molten metal surface of light metal and ceiling of a molten metal pool 11 in the pool of a ...
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JP2574226Y2 |
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JP2763239B2 |
PURPOSE: To provide a double-layered ceramic crucible having a long service life because the heat absorbing layer made of pyrolytic graphite does not peel off the substrate of the crucible or the coating layer made of electric insulating...
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JP2763039B2 |
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JPH10152381A |
To obtain a refractory material for an inside coating of which constitution of particle part of ≤1mm becoming a binding part of the refractory construction, consisting of 72-100% alumina-based material and 0-28% magnesia- based materia...
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JP2573450Y2 |
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JP2754171B2 |
PURPOSE: To provide a burner for combustion in immersion tube by which damage to an immersion tube is quickly detected, and by which abnormal combustion in the immersion tube can be detected. CONSTITUTION: This burner 1 is composed of a ...
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JP2754275B2 |
A ladle is used in the manufacture of metals and for receiving molten metal for further chemical processing or for transportation. The ladle comprises a glass-cement outer shell (18), refractory linings (20,22) and trunnions (30). The la...
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JP2748611B2 |
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JPH10103876A |
To easily take out a melt in a graphite crucible with proper power supply, keep safety of work high, restrict diffusion of heat and hence improve heat efficiency and prevent a surrounding working environment from being heated uselessly. ...
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JPH10102241A |
To produce a crucible material having a long service life and suitable for a crucible for aluminum vapor deposition by refining the particles of a filler, densifying the base material and increasing its strength and to provide a method f...
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JPH1092566A |
To suppress the voltage in vacuum and prevent dielectric breakdown at any degree of vacuum and make melting possible in the vacuum by forming a conductive coating on the outside of an insulated induction coil and connecting this with an ...
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JP2738808B2 |
PURPOSE: To restrict scattering of dust to the minimum by providing a heating burner in a tangential direction of a furnace casing and inserting an indirect heating cylinder 3, which is for melting of ash and is provided with a forced as...
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JP2737130B2 |
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JP2738807B2 |
PURPOSE: To effectively perform melting of incineration ash by providing a melting accelerator, against a tip end of which a combustion gas impinges, on a furnace wall of a furnace casing facing an injection nozzle for burning and jettin...
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JP2731787B2 |
An induction melting vessel (10) comprises a refractory crucible (12) having an open top end (14) and a closed bottom end (16), with a substantially continuous side wall (20). A substantially continuous metallic shell (22) surrounds and ...
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JP2725639B2 |
PURPOSE: To achieve an efficient operation by forecasting the degree of superheat of molten metal to accomplish a designing of melting equipment and a simple setting of operating conditions while molten metal is kept at the degree of sup...
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JP2725640B2 |
PURPOSE: To prevent pollution of molten metal as caused by a contact with insulating material filled in slits while achieving better magnetic permeation into a crucible. CONSTITUTION: A plurality of slits 14 are formed on a surrounding w...
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JP2722794B2 |
A crucible induction furnace is disclosed which is provided with a preventive measure against low melting point metals and having a crucible refractory within an induction coil in a barrel container, in which the crucible induction furna...
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JP2723903B2 |
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JPH1062075A |
To lower the static pressure of a furnace bottom and suppress the permeation of metal having a low melting point by setting the height of molten metal in a crucible to the height 0.3 to 1 times as high as the inside diameter. The ratio H...
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JPH1062074A |
To evaporate and exhaust metal having a low melting point and a low vaporizing point and prevent it from permeating through a crucible refractory material by exerting vacuum pressure on a tubular container with a cover by an evacuating d...
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JPH1038261A |
To provide a combustion device capable of realizing either low COx, excellent efficiency, low NOx, or miniaturization. A combustion device has an arrangement of a combustion space 6 and a burner 1 in which the flow of the return combusti...
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JPH1038468A |
To enable protecting of a crucible by providing a detector which detects a sound associated with the boiling of cooling water passed through a water passing hole to detect abnormality such as boiling in the cooling water of the crucible ...
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JPH1038469A |
To achieve a monitoring of a melting process and a control of a floating force by a method wherein a camera for photographing the surface of molten metal is provided and an image taken is inputted to measure the area of the molten metal ...
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JPH1038466A |
To minimize the mixing of impurities by arranging an induction coil installed surrounding the side of the outer diameter of a crucible, a melting material supplier into which a conductive material to be melted is fed from an upper part o...
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JPH1030884A |
To make it possible to reduce cost and keep maintenance with simple equipment to a satisfactory extent and minimize oxidation loss and perform a melting treatment at a higher efficiency in continuous mode and simplify a pre-treatment of ...
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JP2707041B2 |
PURPOSE: To provide a phosphor for EL to exhibit an excellent light emitting characteristic with excellent reproducibility. CONSTITUTION: A raw material 15 mainly composed of zinc sulfide powder is put in a housing body 7 in which fluid ...
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JPH1025188A |
To enable the packing of a raw material in a crucible in high packing ratio by installing a rotatable crucible holding means having a crucible receiver holding mechanism common to a pulling furnace, capable of supporting the crucible tog...
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JPH1026477A |
To prevent the deterioration of refractories around a groove unit due to excessive heating and the shortening of the life of a groove type induction furnace due to the stagnation of the flow of molten metal in a heating unit or the groov...
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JP2702744B2 |
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JP2704912B2 |
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JP2704250B2 |
PURPOSE: To obtain the refractory having a long service life by sufficiently effectively utilizing the refractory constructing a refractory wall. CONSTITUTION: This lining refractory for an induction furnace consists of 25-93wt.% magnesi...
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JPH1019682A |
To provide a continuous temperature measuring device for precision casting, by which the temperature of the molten bath to be casted, can be continuously and automatically measured by every mold with high accuracy, and the electric power...
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JPH109769A |
To improve the cooling capacity of a crucible by a method wherein cooling water passing holes are bored in segments that are positioned between slits to form the crucible, and processed to increase the heat transfer area inside. An induc...
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JPH109770A |
To detect a leakage and operating temperatures with a simple constitution by a method wherein operating temperatures are measured by the electromotive force of a thermocouple and a leakage of metal is detected by a short- circuit between...
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JP2696652B2 |
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JPH102672A |
To enable supplying of fuel gas to be immediately stopped when an abnormal state such as cracking of an outer cylinder, prevent disasters such as fire and explosion or the like and further enable a safe operation to be carried out. This ...
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JP2692118B2 |
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JPH09303969A |
To reconstruct a furnace in a short time by supporting the upper part of a crucible made of a fireproof material with a prescribed shape which is mounted on the fireproof material of a furnace bottom by an upper part holding fireproof bl...
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JPH09303967A |
To remarkably improve the life of an induction melting furnace by constructing a melting chamber by two kinds of lining materials having different characteristics. In the furnace constructing method of an induction melting furnace, which...
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JPH09303968A |
To decrease the generation of an eddy current loss in a water cooled coil, improve a melting efficiency and easily carry out the winding operation of a cooling coil by forming the cooling coil with a water cooled steel pipe having the se...
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JPH09303970A |
To prevent the erroneous operation of a hot water leakage detecting net by providing the hot water leakage net through an insulating sheet on the outer periphery of the metal foil of a non-magnetic material wound on the outer periphery o...
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JP2682823B2 |
A method and device are provided for producing refractory materials by induction, in which process a mixture of material powders and a binder in solution in water are compacted by extrusion so as to form a solid bar. The bar is introduce...
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JP2681989B2 |
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