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JPS5850155A |
PURPOSE: To suppress the development of solidified layers from the mold side and to improve the soundness in the axial center part of a steel ingot by containing an exothermic material which is burned by the sensible heat of molten steel...
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JPS5847561A |
A thin walled chill mould is provided with several cooling chambers by which the intensity of cooling can be varied during casting. During pouring, cooling of the lowermost chamber is commenced first and with low intensity. As filling co...
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JPS5847554A |
In the manufacture of hollow metal ingots, particularly for producing seamless tubes, the liquid melt is poured rapidly into an upright or slightly inclined chill mould, the chill mould is closed and is tilted into a substantially horizo...
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JPS5847540A |
PURPOSE: To form molten metal into a hollow metallic cast ingot without any waste by providing a freely upward and downward movable bottom plate in contact with an inside wall in the upper part in a mold, charging the molten metal into t...
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JPS5814030Y2 |
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JPS5814028Y2 |
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JPS5814029Y2 |
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JPS5844947A |
PURPOSE: To use industrial waste to be discarded effectively as a heat insulating material for molten metal by compounding the scum of filter beds for refined sake (Japanese alcoholic drink), the sludge ashes of pulp plants and dregs at ...
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JPS5844949A |
PURPOSE: To prevent the defects in steel ingots and to improve the yields of slabs and secondary products in an ingot making method by insertion of a mandrel by coating a slag repelling material on the surface of the mandrel and limiting...
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JPS5813256B2 |
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JPS5838350U |
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JPS5841652A |
PURPOSE: To produce a long-sized circular columnar steel ingot with good workability by moving the mold placed on a bottom casting molding board consisting of a lower molding board for introducing molten steel and an upper molding board ...
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JPS5841651A |
PURPOSE: To produce large-sized steel ingots for forging having sound quality stably by joining plural pieces of steel ingots of a small height-to-diameter ratio by an electro-slag refining method. CONSTITUTION: Steel ingots 1, 2 wherein...
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JPS5812225B2 |
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JPS5833148U |
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JPS5833164U |
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JPS5811295B2 |
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JPS5811296B2 |
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JPS5835044A |
PURPOSE: To reduce fuel costs required for remelting of ingots after carrying out and transportation by charging molten metal into an ingot case of which the hole opened in the bottom part is closed with an ejecting plate and removing th...
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JPS5832543A |
PURPOSE: To obtain a clad ingot wherein the gradient of the concn. at the boundaries of dissimilar metals is continous and the dissimilar metals are surely joined by casting one kind of metal onto the bottom part of a mold in a nonoxidat...
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JPS5829546A |
PURPOSE: To produce a large sized steel ingot having no segregation and having a specific height and a specific height to diameter ratio by installing a molding flask made of steel plates mounted with a heat insulating material on the ou...
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JPS5825841A |
The present invention relates to compositions and methods for coating moulds used in processing of molten metals. The compositions comprising a first finely divided refractory mineral component, and a second phosphate radical and chromiu...
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JPS5823253U |
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JPS5823535A |
PURPOSE: To produce a double layered steel ingot having good adhesive strength at a low cost by covering the outer surface of a molding flask of a specific thickness consisting of a material for surface layer with a heat insulating mater...
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JPS5823536A |
PURPOSE: To produce a double layered hollow steel ingot having excellent adhesive strength by placing a mold and a steel pipe which forms an inner layer for a double layered hollow steel ingot on a molding board, constituting a flow pass...
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JPS5823534A |
PURPOSE: To produce a superior clad slab efficiently by blooming a composite metallic ingot which is botd. by disposing a core material near one inside surface of a mold and casting dissimilar metal in the mold to insert the core materia...
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JPS586613Y2 |
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JPS586600Y2 |
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JPS586601Y2 |
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JPS586602Y2 |
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JPS586612Y2 |
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JPS585750B2 |
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JPS585739B2 |
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JPS5813437A |
PURPOSE: To prevent the initiation of reaction of the exothermic material of a heat insulating flask for a riser prior to arrival at the melt surface and to reduce negative segregation by covering the surface of said exothermic material ...
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JPS589746A |
PURPOSE: To produce required quantities of diversified kinds of small lot steel materials from one charge of molten steel in a converter by producing ingots or slabs from a part of the molten steel received in a ladle, and controlling th...
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JPS582529Y2 |
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JPS582535Y2 |
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JPS58942B2 |
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JPS5761505B2 |
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JPS57209746A |
PURPOSE: To prevent cooling, oxidation and generation of hydrogen of molten metal and to improve casting quality by molding ceramic fibers to each other in a lump shape by means of an inorg. binder, covering the surface with a heat resis...
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JPS5760103B2 |
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JPS5759233Y2 |
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JPS5759781B2 |
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JPS57202946A |
PURPOSE: To prevent the diffusion of Al in an exothermic pad and to prevent the formation of hardened layers of casting in a mold which uses said pad by coating a zirconium mold coating material added with specific metallic oxides on the...
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JPS57202945A |
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JPS57199543A |
PURPOSE: To provide a titled riser device which provides a max. effect of a riser by mounting a platelike molding provided with a projection which ignites and evolves heat by the heat of molten metal on a body molded of a materil which i...
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JPS57195561A |
PURPOSE: To prevent the segregation in a steel ingot for roll in the stage of casting the steel ingot for large sized forged hardened steel rolls by rotating a mold, and charging molten steel into the mold through an immersion nozzle hav...
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JPS5756419B2 |
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JPS5754913Y2 |
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JPS5754914Y2 |
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