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JPS63180346A |
PURPOSE: To improve the life of a double mold stool for bottom pouring ingot making by using refractories to constitute the front surface of the double mold stool. CONSTITUTION: The upper part of the double mold stool 4 of equipment for ...
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JPS63106553U |
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JPS63165055A |
PURPOSE: To improve the detecting accuracy of solidified thickness in a cast slab and cast ingot and to reduce the center segregation by coating or burying exothermic material for preventing local solidification of molten steel around a ...
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JPS6334206B2 |
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JPS63165045A |
PURPOSE: To obtain a hollow metallic body having high accuracy for thickness from molten metal by arranging a mold connected to a cylindrical body ascend ing the molten metal in the mold by reducing the pressure in the mold and flowing o...
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JPS6334207B2 |
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JPS63165046A |
PURPOSE: To shorten the production term and to reduce the working cost by kneading under mixing refractory having the specific composition and binder, forming under pressurizing and drying at the specific temp., to obtain unburnt refract...
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JPS6332851B2 |
A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of: preparing a melt of silicon steel, casting a strip of said steel, hot rolling, cold rolling, decarburizing, and f...
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JPS63157753A |
PURPOSE: To produce a composite steel plate having excellent quality under good yield by arranging the different kind of steel plate in space part between heat radiated cover in a mold and molten steel surface poured from the bottom face...
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JPS63154257A |
PURPOSE: To prevent metal penetration and damage of short side wall refractories by the metal penetration at the time of casting a unidirectionally solidified steel ingot by sealing the spacings between the side walls, molding board and ...
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JPS63154256A |
PURPOSE: To obtain a surface hardened steel having wear resistance on one side face by pouring molten steel having the prescribed composition into a mold, which has a rectangular cross section and can be cooled only at one side face, coo...
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JPS63144845A |
PURPOSE: To improve the workability of a hollow casting and to reduce the cost thereof by preheating a metallic mold core having the coefft. of thermal expansion larger than the coefft. of thermal expansion of a casting material to a pre...
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JPS6321956Y2 |
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JPS63132750A |
PURPOSE: To prevent integration of nonmetallic inclusions at the boundary between a cladding metal and base metal and degradation in quality by pouring a molten base steel from plural flow-offs at the time of subjecting the large-sized c...
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JPS63130244A |
PURPOSE: To easily change of cladding ratio and to produce a cladding ingot without detaching at a solidified boundary face between a core material and molten metal by installing a mold as inclining and making the mold horizontal after t...
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JPS6376360U |
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JPS6317566Y2 |
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JPS6371946U |
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JPS6397334A |
PURPOSE: To obtain an ingot having little gaping defects by arranging the spe cific quantity of core metal at the specific position in a mold, melting it by heat of molten steel and solidifying it together with the molten steel. CONSTITU...
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JPS6390353A |
PURPOSE: To prevent the development of product defect by arranging a solid metal in a mold and a flat separating wall following to change of molten metal surface and next executing the casting. CONSTITUTION: The solid metal 2 is charged ...
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JPS6353346U |
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JPS6312707B2 |
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JPS6312708B2 |
A method for the production of two-layer pipe casting is carried out in the following manner. First, a reaction chamber is filled with an initial mixture. Then, the reaction chamber with the initial mixture is set in rotation about its l...
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JPS6312706B2 |
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JPS6363554A |
PURPOSE: To prevent the development of boiling in a mold caused by the air contamination and the enclosure of the air into the molten metal by shutting out the outside air by surrounding a molten metal flowing passage between a molten me...
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JPS6360068A |
PURPOSE: To seal pouring flow with a simple construction by providing a sealing nozzle to be freely vertically movably inserted into a pouring pipe to a ladle and providing a means for supplying an inert gas to the inside of the pouring ...
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JPS6329649U |
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JPS637869B2 |
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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JPS6336952A |
PURPOSE: To efficiently execute the setting work on a pressing metal block by forming an annular projecting part with tapered shape upward in the pressing metal block and also forming a lower end side hollow part of pouring casing to a c...
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JPS636306B2 |
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JPS6310041A |
PURPOSE: To prevent cracking in the inner face of a hollow cast billet and to obtain the sound hollow cast billet by enclosing as inserting a core of metallic pipe as changeable to its diameter into the case billet in a mold. CONSTITUTIO...
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JPS635854A |
PURPOSE: To reduce melting loss degree of a bottom plate and to lengthen the service life by thermal-spraying metal as under-coating material and heat- resistant ceramic as top-coating material. CONSTITUTION: The thermal-spraying area 5 ...
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JPS632534A |
PURPOSE: To stabilize the internal quality of an ingot and to improve the yield by holding up a mold after forming solidified shell at the ingot bottom, supporting the exposing ingot side faces by rolls and also repeating the cooling ope...
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JPS6261380B2 |
A method and apparatus for casting molten metal into ingots or bars. The molten metal is first disintegrated (fragmented) by a gas, via a lance jet, the gas including a powdered material of the same material as the molten metal and/or an...
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JPS62286649A |
(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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JPS62282750A |
PURPOSE: To improve the surface characteristic of an ingot feeder head by making the ingot as setting a heat insulating feeder head flask in place of a casting flask after the solidified shell in molten metal formed at the casting flask ...
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JPS62279052A |
PURPOSE: To prevent the forming of difference of level part on an ingot surface and to prevent the development of surface defect and the reduction of yield by inserting an intermediate piece into the place between divided feeder head fla...
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JPS62189856U |
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JPS62279053A |
PURPOSE: To improve the surface of solidified metal by arranging a movable sleeve as possible to ascending along the inner wall face insulating material and as becoming the inner face side to solidified shell forming face of the molten m...
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JPS62279068A |
PURPOSE: To reduce the developing ratio of non-metallic inclusion developed at bottom side of an ingot produced and the waste ratio of the ingot by adding heat insulating agent on the upper face of feeder head as heating to near the igni...
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JPS62279051A |
PURPOSE: To utilize industrial wastes as heat insulating material and slopping prevention material, etc., by drying ligneous chip dust, mixing powdery slag dust and then compressing. CONSTITUTION: The chip dust, which is one kind or mixt...
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JPS62279050A |
PURPOSE: To obtain a unidirectional solidified ingot having free size by shifting a short side mold as keeping constantly molten surface level after reaching the prescribed level for the molten surface in the mold. CONSTITUTION: The molt...
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JPS62275545A |
PURPOSE: To cast an ingot having high cleanness by executing lining having fire-proof heat insulation and exothermic property in a rectangular mold and solidifying molten steel surface poured at last stage. CONSTITUTION: The mold 2 of th...
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JPS62270248A |
PURPOSE: To obtain a feeder head flask, which is possible easily fitting to and removing from a mold and has simple shape. by constituting the feeder head flask fitted on the top part of the mold by four pieces of plate sleeves and arran...
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JPS6255447B2 |
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JPS62174761U |
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JPS62248540A |
PURPOSE: To easily change a cladding ratio and to prevent the generation of segregation and boundary inclusions by providing the top cap of a casting mold adjustably in position, holding a core material thereto, disposing the casting mol...
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JPS62244551A |
PURPOSE: To inexpensively and easily remove a thickly segregated part and slag by discharging the thickly segretated molten steel and slag remaining in the head part of a steel ingot during solidification. CONSTITUTION: The thickly segre...
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JPS62230456A |
PURPOSE: To improve the cleanliness of clad interface between the clading plate and a base metal and to obtain the clad material having high quality by arranging a scattering prevention plate just above a pouring gate in a mold and start...
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JPS62227550A |
PURPOSE: To form a sound ingot without any defect, such as V segregation and micro-porosity, etc., by arranging a bottom plate for mold set and the lower part of the mold as possible to cool and insulating heat of the upper part of the m...
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