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JPS62224470A |
PURPOSE: To form a steel for the metallic mold having no segregation and homogeneous quality for short time by melting raw material powders blended to the desired composition by a plasma arc and solidifying rapidly. CONSTITUTION: The raw...
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JPS62214850A |
PURPOSE: To enable self-breakage of a runner by arranging a circumferential notch in a rising runner of double bottom plates or adjusting thickness of the double bottom plates. CONSTITUTION: A rising runner brick 26 having knife-edge-lik...
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JPS62212039A |
PURPOSE: To improve inclusion separation and shell forming by only a little quantity of heat insulating material, and to improve ingot quality, by introducing the inert gas from a ventable refractory at shifting wall bottom part in a hor...
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JPS62212038A |
PURPOSE: To improve cooling ability of a core, and quality and productivity of a hollow steel ingot by inserting a partition tube between the compulsory cooling core and a mold placed on a bottom plate and ascending the partition tube to...
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JPS6243780B2 |
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JPS62203639A |
PURPOSE: To prevent the sticking of the slag on a molten metal surface to a cladding metal and to obtain a clad material having excellent adhesiveness to a molten metal by pouring the molten metal into a casting mold and relatively raisi...
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JPS62199248A |
PURPOSE: To prevent penetration of molten metal into a hot-top forming material and to make a casting surface of an ingot smoothly by arranging a graphite sheet layer on the surface of a fire resistance insulating material brought into c...
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JPS62123341U |
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JPS62176639A |
PURPOSE: To prevent casting defects by arranging main ingate parts and auxiliary ingate parts at the upper parts and necessary positions of cavity parts, respectively and further, connecting the main ingate parts and auxiliary ingate par...
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JPS62176638A |
PURPOSE: To improve quality of casting products by connecting each lower end of cavity part with a runner through each ingate and also connecting each head part at the upper part of the cavity with a linked runner joined in a sprue. CONS...
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JPS62176601A |
PURPOSE: To improve yield by cutting off the upper part of a steel ingot cast by a unidirectional solidifying method in such a manner that a carbon equiv. and content of S attain prescribed values or below and rolling said ingot. CONSTIT...
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JPS62176640A |
PURPOSE: To use an exothermic thermal insulating material under proper condition and to improve ingot quality by insulating heat of a top part of pouring molten steel by the exothermic thermal insulating material having necessary burning...
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JPS6229177Y2 |
A filling apparatus includes a melt container with a bottom outlet spout and an interior closure plug. In certain embodiments the spout has a conical end. A casting mold has a pouring gate and channel. The container is supported by an el...
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JPS62168642A |
PURPOSE: To obtain a hollow steel ingot having fine undirectionally solidified structure by forming a casting mold and core installed on a molding board into heat insulating structure and the molding board into water cooling structure an...
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JPS62166052A |
PURPOSE: To decrease the reverse V segregation, top segregation, hole type defects, etc. of a thin-walled steel ingot and to improve the yield thereof by forming a casting mold for a specified weight or about of the flat steel ingot into...
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JPS62113852U |
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JPS62161445A |
PURPOSE: To obtain a large steel ingot having high quality without using a large apparatus by arranging a base-plate in an assembling mold consisting of long side molds with upward widened taper and short molds and descending the ingot a...
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JPS62158551A |
PURPOSE: To improve quality at top of an ingot and to increase workability by forming double layers consisting of a formed body having at least expansive graphite but no metallic Al and the other formed body having metallic Al. CONSTITUT...
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JPS62156047A |
PURPOSE: To prevent generation of product defect by regulating contained hydrogen value in not more than the prescribed ppm value at the prescribed thickness range from a surface of a clad stainless steel plate. CONSTITUTION: A mold 2 la...
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JPS62105741U |
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JPS62148057A |
PURPOSE: To improve heat insulating and retaining performance at a casting temp. by using ceramic fibers and substituting part of a top part heat retaining material having a specific compsn. with said fibers. CONSTITUTION: The compsn. of...
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JPS62146238A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS62144853A |
PURPOSE: To prevent formation of irregular part on an inner surface of a feeder head case for ingot making after assembling of the case and to prevent generation of surface defects and dropping of production yield after casting by assemb...
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JPS62144852A |
PURPOSE: To prevent a contamination of molten steel and to obtain a high quality steel ingot by forming a runner by a cast iron casting for a bottom pouring ingot making, which molten steel is supplied into a ingot making mold by the bot...
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JPS62144855A |
PURPOSE: To smoothly pour molten metal upward in a mold and to improve surface quality of an ingot by arranging a feeder head case for ingot making with specified tapered angle at the lower part thereof, which is settled at the upper par...
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JPS62144865A |
PURPOSE: To decrease segregation and to make macro-structure uniform in the stage of solidifying a molten metal and obtaining an ingot by supplying the powder consisting of the components coinciding with or resembling to the components o...
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JPS62144864A |
PURPOSE: To improve the surface characteristic of an ingot, to decrease the generation of surface flaws and to make macrostructure uniform by subjecting the molten metal in a casting mold to electromagnetic stirring in the case of castin...
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JPS62144854A |
PURPOSE: To prevent disturbance of molten metal flow by a feeder head case ad to improve a surface quality of ingot by arranging a settling part of the feeder head case at an inner surface of upper part of a mold body and forming as almo...
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JPS62142064A |
PURPOSE: To improve an internal quality for LH directional solidified ingot by pouring in a range of a specified relation for a super heating degree of molten steel at the time of executing the directional solidification from a bottom su...
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JPS62137143A |
PURPOSE: To obtain a composite ingot having the excellent adhesiveness of joint surfaces by branching a molten metal from the bottom of a casting mold between a flat core material disposed perpendicularly and the mold side wall parallel ...
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JPS62137145A |
PURPOSE: To obtain an ingot having no surface flaws by providing gas vent pipes having an adequate sectional shape to a mold side of a riser flask or to a casting mold and opening the same toward the outside part in order to vent the gas...
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JPS62137144A |
PURPOSE: To prevent the generation of splashes at the start of casting by providing a riser brick constituted in such a manner that the sectional area in the bottom of a molten metal inflow port and the sectional area at the top thereof ...
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JPS62137160A |
PURPOSE: To improve the quality of a product by incorporating specific weight % each of Me-Al, SiO2, K2O, etc., into a titled material and consisting of the balance substantially Al2O3. CONSTITUTION: 7W20% Me-Al, 10W23% CaO, 15W23% SiO2,...
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JPS62134157A |
PURPOSE: To improve the quality and productivity of an ingot by disposing a splash preventive plate which is rounded in the surface against which the flow of a molten metal collides onto a molten metal inflow port in the bottom of a cast...
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JPS62134141A |
PURPOSE: To improve the yield of a rolling material by adding powder consisting of the components resembling to the components of an ingot to the top part of the ingot just before the top part solidifies. CONSTITUTION: The powder consist...
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JPS62134101A |
PURPOSE: To obtain a steel plate having excellent internal soundness by executing rapping right after the solidification of a molten steel poured into a casting mold and subjecting the steel ingot to light reduction by a planar pressuriz...
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JPS62130744A |
PURPOSE: To easily obtain an ingot having unidirectionally solidified structure with a simple operation and device by heating the inside wall surface of a channel-shaped casting mold to the temp. of the ingot to contact said surface or a...
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JPS6292049U |
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JPS6226859B2 |
A phase-separating member of annular form supplies a liquid phase, which converges towards a molten stream of metal. The liquid phase is distributed in the form of at least two layers, the upper layer meeting the metal stream at a distan...
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JPS62127141A |
PURPOSE: To improve yield in the rolling stage of an ingot by inserting a cooling bar-shaped body to the top of the ingot to solidify a molten steel just before the molten steel completes solidification or further providing notches to th...
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JPS6222289Y2 |
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JPS6224174B2 |
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JPS6282150U |
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JPS62114744A |
PURPOSE: To easily and inexpensively produce a casting mold having a prescribed shape by assembling and bundling many bar-shaped or plate-shaped constituting stocks and adequately sliding the constituting stocks in such assemblage thereb...
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JPS6297759A |
Process for protecting against oxidation and/or nitridation of a liquid metal stream flowing from the outlet orifice of a ladle or a distribution vessel, comprising surrounding the pouring stream with a tube substantially throughout the ...
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JPS6297746A |
PURPOSE: To prevent the sticking and impregnation of water drops and moisture and the intrusion of moisture and to obtain a good ingot having no foam by drying an ingot case for molding which temperates an alloy in a molten state and mol...
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JPS6297761A |
PURPOSE: To decrease the generation of gaseous lead and lead-contg. waste and to improve the yield of lead by hanging a prescribed amt. of lead bar in a casting mold and bottom pouring a molten steel while blowing an inert gas from a mol...
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JPS6216163B2 |
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JPS6268655A |
PURPOSE: To prevent the breakout of a molten steel and to unidirectionally solidify the molten steel using a water-cooled mold stool and plural water-cooled side walls which are not fixed by the same to constitute a casting mold which is...
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JPS6211945B2 |
In a method of and apparatus for producing ingots of unalloyed and alloyed steels having an improved primary crystallization, reduced ingot segregation and a reduced content of non-metallic inclusions, molten steel is poured into a mould...
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