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JP2002160047A |
To provide a superb heat insulating cover material for a molten metal, which facilitates recycling of ceramic industry waste, stable supply in a big volume without cost increase and operation without deterioration in working environment,...
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JP2002160045A |
To provide a continuous caster and casting method for a large cross section cast piece, free from casting defects and superior in inner quality.A tundish 2, a mold 3, a carriage 4 to draw and guide a molten steel vertically downwards fro...
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JP2002103019A |
To provide an apparatus for casting metal by which a cast block having good production efficiency and good quality is obtained.A pouring hole 7 is opened by the command from a casting control means 19 to an opening/closing plug elevating...
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JP2002103024A |
To easily and inexpensively manufacture a high precision casting.In a casting apparatus 10A, which is provided with a mold 12 having a pouring gate 21 to one end part of an upper wall 12a and a closing plug 13 to fit/separate for a perip...
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JP2002079366A |
To provide a method and an apparatus for casting metal by which an ingot having no cut-off surface on the surface and sound internal part can be obtained, by flattening the solidified interface for preventing the development of crack on ...
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JP2002079354A |
To provide a mold for casting metal in which the mold for casting a complicated-shape metal for obtaining a three-dimensional deformed cast block can be easily obtained at a low cost and a forging in the following process of the cast blo...
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JP3266823B2 |
To provide a method for manufacturing a maraging steel excellent in strength, toughness and ductility by producing a steel ingot by a mass- production process of an electric furnace melting - ladle refining - RH degassing - ingot-making ...
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JP3256147B2 |
To provide a mold flux for obtaining a non-defect cast slab excellent in a surface characteristics, in a continuous casting of a medium carbon steel, SUS420 and SUS304. In a vertical cross section of a sample obtd. with a specific mold f...
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JP3247265B2 |
PURPOSE: To obtain an excellent casting with high dimensional accuracy and free from a defect by arranging a casting mold on a cooling plate, filling molten metal in the casting mold, and solidifying the molten metal from one direction b...
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JP2001347346A |
To provide a method and an apparatus with which an alloy block having a specified product shape or a fixed mass, can continuously be produced in good productivity for a long time.A mold 10 having plural cavities for forming, vertically p...
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JP2001347358A |
To provide a method for making an ingot for producing an Fe-Ni base alloy material, such as shadow mask, having good grade to uneven etching with a vacuum arc remelting method(VAR).Heat transfer medium is fed into gap between a mold and ...
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JP3239209B2 |
To stably manufacture the heating body for casting having the homogeneous strength and the heating characteristic by a shell molding method. In a method, the raw material mixture consisting of, one kind, two or more kinds of powder and g...
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JP3227051B2 |
PURPOSE: To reduce a heat treatment cost, to thin a product and to attain light weight by preventing a chilled layer from being generated by supplying a semi-solidified metallic slurry whose solid phase ratio is specified to a casting mo...
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JP2001300694A |
To provide a production method of an ingot for manufacturing an Fe-Ni base alloy thin plate for shadow mask, etc., improving uneven etching grade while restraining increase of the manufacturing cost as much as possible. In the production...
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JP2001293550A |
To provide a method and an apparatus for producing a micro crystalline ingot by which an alloy having high melting point can be melted by greatly reducing the ingress of impurities, and segregation and coarsening of grains when the molte...
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JP2001152262A |
To provide a method and an apparatus for manufacturing an alloy which can efficiently be manufactured.This apparatus is provided with a vacuum chamber 7 for reducing the pressure with an evacuating means 9, a melting part 2 arranged in t...
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JP3169326B2 |
To produce an austenitic stainless steel having hot workability, particularly, excellent in surface properties to a degree that ear cracking and plunged flaws are eliminated at a high yield. Molten steel contg., by weight, 0.1% C, 0.1 to...
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JP2001113358A |
To provide a method for repairing crack, defect, etc., developed in a cast product. In such portion developing the crack or the defect, a truncated cone shaped opening part is arranged in the product. A tapered plug fitted to the opening...
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JP3152971B2 |
PURPOSE: To produce a desired-shape cast ingot of high-purity copper single crystal without damage to the desirable characteristics of a high-purity copper material used as the raw material. CONSTITUTION: A graphite mold 1 having an inne...
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JP3141187B2 |
PURPOSE: To uniformize the conduction of heat in a mold and to uniformly cool a cast slab by containing one or more kinds among oxide, nitride, boride, silicide of Cr and metallic Cr or Cr alloy to powder base material specifying a basic...
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JP2001047193A |
To easily cut an ingot at on-site by inserting a mold for recessed part formation into molten metal after pouring the molten metal into a mold, shifting the mold together with the molten metal and removing the mold for recessed part form...
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JP3136026B2 |
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JP3135177B2 |
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JP3115502B2 |
PURPOSE: To industrially and stably produce a titanium-adding extra-low carbon steel having little surface flaw at a low cost by cast ing while electromagnetically stirring molten steel in a mold. CONSTITUTION: The extra-low carbon steel...
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JP3111792B2 |
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JP2000319717A |
To provide a producing method of a high nitrided steel, by which the high nitrided steel can be obtd. by effectively absorbing and adding nitrogen in atmosphere into molten steel under a nitrogen atmosphere even in a low pressure. The ga...
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JP2000312949A |
To prevent sticking of a molding vessel and a metallic ingot which occurs when a molten metal is poured in the molding vessel and, reduce generation of a crater on an ingot surface by using the molding vessel wherein a coating layer comp...
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JP3103465B2 |
PURPOSE: To surely prevent the contamination of molten steel caused by a reaction between the air oxidation and a heat insulating agent and further, to provide the heat insulating agent without damage and erosion to a refractory. CONSTIT...
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JP2000288691A |
To reduce the occurrence degree of shrinkage hole and shrinkage pipe that the center part is extremely recessed at the solidified time by cooling molten alkali metal in a forming vessel while regulating a Y value having a specified relat...
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JP2000274957A |
To provide an electron beam fusion furnace which can minimize the thermal influence, and can prevent the transformation, fusion, and, damage accident of constituent parts, and further can raise the yield in manufacture of a produced ingo...
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JP3089136B2 |
PURPOSE: To improve the yield of a metallic ingot by restraining heat loss from the upper surface side of a feeder head. CONSTITUTION: A feeder head frame part 5 is arranged on a metallic mold 3 for ingot making. The opening hole area of...
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JP2000233260A |
To obtain an ingot having good surface after ingot-making in a bottom-pouring ingot-making of molten steel. In the ingot-making method of the molten steel, with which the bottom part of a molten steel pouring tube 1 and the bottom part o...
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JP3081067B2 |
PURPOSE: To obtain an insulating material for the surface of molten steel excellent in resistance to air oxidation, without contaminating molten steel and without damaging or eroding a refractory by incorporating CaO, Al2O3, MgO and SiO2...
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JP3074997B2 |
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JP2000202611A |
To provide a melting and casting integrated apparatus, in which the present technical problem in a closed furnace is dissolved and the apparatus is not too large scale as the whole body and therefore, it can be installed while restrainin...
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JP3062496B1 |
To provide an effectual method for utilizing a waste laminate film and the like. An industrial waste and/or a general waste such as a laminate film composed of an aluminum vapor deposition layer or of an aluminum foil and a plastic film,...
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JP2000167648A |
To uniformly and quickly cool molten metal by rotating the whole mold while dipping the outside of a mold into cooling liquid.A metal to be melted is laid in a crucible 20, and when high frequency current is supplied into each of coils 2...
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JP2000158080A |
To prevent the shrinkage in the width direction, and to improve the yield by providing notches of the depth of specified ratio to the dimension of opposite sides of an octagon over the whole periphery in a border between a riser part and...
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JP2000140999A |
To provide a producing method of a semi-solidified billet improving physical properties as the material for semi-solidified casting, with which molten metal held in a crucible can be transformed into the solid-liquid co-existing state af...
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JP2000135546A |
To provide a method for manufacturing a sound steel block of small center segregation, using a small dead-head volume and under the same workability as before. In manufacturing a forging steel block by congealing a molten metal pored in ...
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JP2000135545A |
To provide a casting device which can stably cast an ingot which is superior in one direction solidification property. A mold 2, in which a molten metal 7 is accommodated, is mounted on a cooling plate 8 being formed larger than a mold b...
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JP2000126847A |
To provide a casting method of a hollow steel ingot in which the air permeability is excellent, a sleeve is prevented from being cracked during the casting, and a core capable of easily separating a sleeve and a core piece from the steel...
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JP2000501653A |
An apparatus (10) for casting metal ingots comprises a series of ingot moulds (12) mounted along an endless conveyor (11) which is arranged to be driven around spaced-apart rotatable members (15) and (17). A molten metal supplying device...
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JP3004270B1 |
To unnecessitate a drying process and to easily obtain raw material by producing an insulating material for molten metal sprayed on the molten metal surface making hard of one or plural kinds among waste paper, thermosetting waste plasti...
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JP3000305B2 |
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JPH11347608A |
To provide the preparing method of the operation plan of blooming rolling for preparing an optimal operation plan with respect to a blooming mill in real time. This method is for preparing the operation plan of blooming rolling in bloomi...
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JP2977890B2 |
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JP2971829B2 |
To enable uniform dispersion of heat insulating material into a ladle and to charge suitable quantity of the heat insulating material into the ladle by simultaneously opening plural valve pieces. In a method and a device for charging the...
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JPH11293391A |
To produce a low carbon free cutting steel obtained by a continuous casting process but having excellent machinability equal to or higher than that of a free cutting steel produced by an ingoting process, more particularly chip treatabil...
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JP2600444Y2 |
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