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JP2600444Y2 |
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JP2952853B2 |
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JP2950127B2 |
PURPOSE: To prevent the seal leakage and the breakout between a dummy bar head and the inner wall surface of a mold while improving the surface and the internal qualities of a cast slab at the initial stage of continuous casting, to prev...
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JPH11244997A |
To provide a method for manufacturing a mold body, and the mold body which is provided with an inner wear protecting layer composed of a chromium and is used for continuous casting equipment and is composed of a hardenable copper alloy a...
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JPH11239847A |
To provide an ingot-making apparatus for molten metal, by which vacuum induction melting can be executed in high vacuum degree and the defective inclusion and the deterioration of the ingot surface state are not brought into. Relating to...
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JPH11240710A |
To provide a mold for silicon casting, capable of extremely decreasing the operation time for solidifying and purifying silicon compared to the conventional one. This vessel type mold 1 for casting a polycrystal silicon while heating the...
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JP2934064B2 |
PURPOSE: To provide an easily workable high-strength copper alloy exhibiting excellent workability appropriate as the material for the equipment members and general structural materials and as the material for the electronic and electric...
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JP2925846B2 |
Methods are known for producing a body from a material susceptible to thermal cracking, in particular from an alloy, by casting a melt of the material in a mold with thermally insulated side walls and a bottom of material with good therm...
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JP2926228B1 |
[wrap up] [Task] Provided is a method for manufacturing a two-layer titanium clad steel sheet (thick plate product) having excellent peelability between core materials and adhesion between core materials and clothing materials by a casti...
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JP2926961B2 |
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JPH11197796A |
To provide an ingot-making apparatus, in which inclusion defective in the obtd. steel ingot is reduced and the surface condition of the steel ingot is improved and further, the development of a pipe-shaped defect is restrained. A casting...
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JP2924034B2 |
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JP2896718B2 |
PURPOSE:To provide an ingot for hydrogen storage alloy powder with the hydrogen occluding capacity and crushability improved and capable of reducing the internal pressure rise when used for the negative electrode of a nickel- hydrogen ce...
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JP2882556B2 |
The device comprises a main hopper 13 provided with balances 14 and equipped with a draining duct 15 on which are mounted a valve 17 and a flow detector 16. The lower end of the duct penetrates into a secondary hopper 18 connected to a p...
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JP2872863B2 |
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JP2591956Y2 |
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JP2587034Y2 |
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JP2826012B2 |
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JPH10296404A |
To efficiently heat-insulate the molten metal under the condition of the excellent working environment by adding the heat insulation material for the molten metal which contains the vegetable fiber and is carbonized and granulated so as ...
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JP2811383B2 |
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JP2807585B2 |
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JPH10263619A |
To provide a protective material for preventing the generation of burning, coagulation or the like on the surface of a material to be worked at the time of hot- and warm-working the material to be worked consisting of active metal such a...
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JP2806620B2 |
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JP2797751B2 |
PURPOSE:To stably produce the material for vapor deposition which is free from the intrusion of impurities, such as inclusions, and has high purity by passing the molten raw material of the material for vapor deposition through a ceramic...
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JPH10216904A |
To obtain an as-cast product without developing shrinkage hole and blow hole with feeding head effect, to save molten metal quantity and to reduce the boring time by standing a core composed of a sintered body of refractory powder having...
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JPH10211546A |
To provide a hot-top casting method which improves the yield by preventing the casting defect mainly formed at the upper part of an ingot, such as shrinkage hole, porosity, and effectively restrains reverse V segregation developed in the...
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JP2784303B2 |
PURPOSE: To manufacture a structural material of super heat resistant alloy by gradually adding Al after introducing Ar gas into melted Ni in a vacuum and lowering the temp. after heating. CONSTITUTION: A cast material of Ni Al alloy is ...
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JPH10166136A |
To provide a method and apparatus suitable to the demand of small required quantity and for a short time even in the case of continuous production or individual production at the time of producing a bar material having 60-400mm from a li...
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JP2752588B2 |
Method and apparatus for dispersing cryogenic inert gases over the surface of a bath of molten metal by separating vaporized cryogenic gas from the liquid phase of the gas and introducing the liquid phase and the gaseous phase onto the s...
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JPH1099962A |
To improve the yield, and to suppress the inverse V-segregation caused inside a cast ingot by controlling the temperature by the plasma heat generation so that the solid phase ratio of the molten alloy is the prescribed value thereby pre...
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JP2739055B2 |
PURPOSE: To provide an insulator having good insulating effect and harmless to molten steel hot liquid, which is prepared at a reduced production cost and with a simplified production process. CONSTITUTION: The granular insulator is prep...
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JPH1058091A |
To facilitate a fining and a uniformizing of structure in an inner part of a steel ingot and to obtain a steel ingot excellent in toughness by directly vibrating a non-solidified part in the steel ingot containing specific wt.% of elemen...
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JPH1053806A |
To restrain the heat radiation to opening part and the temp. lowering of molten steel in a furnace during steel tapping by tapping the molten steel from a steel tapping hole in a furnace bottom after closing the opening part at the upper...
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JPH1043838A |
To suppress casting defect of shrinkage cavity, etc., and to eliminate production of the electrode of same composition beforehand by heating the molten surface of molten alloy with an inert gas plasma heating means after molten alloy is ...
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JPH1034284A |
To produce the steel ingot having good casting surface by pouring molten metal with inserting the tip of a pouring member into a mold. A mold 1 is formed with arranging a case 1b on a stool 1a. A ladle 5 is hung above the mold 1 by a han...
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JPH1030107A |
To provide a method for manufacturing of stainless steel, capable of reducing the occurrence of huge eutectic carbides at the time of producing ingot. A molten steel is prepared by adding 0.6-1.0%, by weight, C, 0.1-1.0% Si, 0.2-1.0% Mn,...
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JPH09314286A |
To prevent the melt-sticking of a steel to a charge tube casting even if the charge tube cracks by forming a charge tube brick into double layer tube and arranging a gap between the charge tube brick and the charge tube casting. In the c...
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JPH09308959A |
To restrain fading and to improve the casting quality and the productivity by using inert gas atmosphere in a small ladle, at the time of automatically pouring molten metal into a mold by receiving cast iron in a pressure type molten met...
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JP2681435B2 |
PURPOSE: To mold an exothermic material with less energy without requiring a drying stage by adding an urethane binder to a mixture composed of specific components, then molding this material. CONSTITUTION: The urethane binder, such as p...
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JP2668479B2 |
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JP2662052B2 |
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JPH09253797A |
To provide a mold clamping device for assembling a mold without using a weight and a molding flask in easy treatment and good workability. Screw holes fastening a fastening jig 2 are arranged near the outer periphery of a base plate 3. A...
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JPH09253796A |
To obtain a mold fastening device easily executing the treatment and excellent in a workability without using a molding flask by standing plural supporting columns on the outer periphery of a base plate for laying a mold, arranging pushi...
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JPH09239520A |
To improve the quality of steel ingot by controlling the slag temperature corresponding to the solid phase ratio of the molten alloy to reduce the reverse V-segregation concentration in performing the electro-hot top in manufacturing the...
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JPH09239494A |
To prevent the development of bare molten metal surface without lowering casting speed and to reduce the consumption of an oxidation inhibitor by forming the inner diameter at the tip part of a spouting runner to larger than the inner di...
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JP2646659B2 |
PURPOSE:To make the qualities of surface and inner part in a cast ingot good and to reduce cut-off quantity by making the specific inert gas atmosphere in a tank at the time of casting, using covering powder and executing the casting. CO...
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JP2639552B2 |
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JPH09206919A |
To provide a method for manufacturing a rare earth magnet alloy ingot having a big columnar crystal. The ingot is manufactured by pouring a molten rare earth magnet alloy 6 into a mold with the chill plate mold 5 and cover mold 3 in this...
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JP2633588B2 |
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JP2633250B2 |
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