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JPS58173057A |
PURPOSE: To improve the durability, quality and yield in the damaged part of the inside surface of a casting mold which is repaired by build-up welding by erecting plural headed bolts on the damaged part, and welding the steel bars which...
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JPS58173058A |
PURPOSE: To perform preparatory works for all casting molds at one time on a working deck and to improve efficiency by providing the working deck freely movably upward and downward in the preparatory pit in an ingot making shop and formi...
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JPS58167731A |
PURPOSE: To obtain the inexpensive heat-retaining agent for molten metal having an effective heat-retaining property, by saturating the mixture of a sugar liquid and milky lime with carbon dioxide gas, and using the resulting by-produced...
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JPS58163567A |
PURPOSE: To suppress the Al in an exothermic pad with which molten metal contacts thoroughly and to prevent the formation of a hardened layer, by providing the coating layer of a refractory mold coating material wherein the amt. of the m...
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JPS5842777B2 |
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JPS5841940B2 |
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JPS5841010Y2 |
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JPS58154439A |
PURPOSE: To prevent the inclusion of scum in the body of a cast ingot by floating a refractory float in approximately the central part on the top surface of the molten metal charged in a casting mold after casting the body part of the ca...
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JPS58128759U |
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JPS5839287B2 |
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JPS58132351A |
PURPOSE: To permit integral operations from a casting ingot up to a steel plate and to prevent the cracking of the steel ingot by insulating the entire inside circumference of a casting mold and the head part of the molten steel charged ...
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JPS58132345A |
PURPOSE: To prevent the sticking of the splashes of molten metal in the stage of charging on the side walls of a casting mold for ingot making of Ti-based metals and to improve yield irrespectively of the types of melting furnaces, by us...
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JPS58132352A |
PURPOSE: To improve yield by insulating the entire inside circumference of a casting mold and the head part of the molten steel charged into said mold with heat insulating materials and maintaining the temp. of a molding board at a presc...
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JPS58111149U |
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JPS5832838Y2 |
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JPS5832839Y2 |
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JPS5832837Y2 |
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JPS5832024B2 |
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JPS5828683Y2 |
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JPS5828685Y2 |
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JPS5828684Y2 |
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JPS5829179B2 |
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JPS5829177B2 |
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JPS5829178B2 |
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JPS58103939A |
(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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JPS58103937A |
PURPOSE: To reduce the number of steps for production of hollow steel ingots considerably and to improve yield by inserting a mandrel formed with a release layer on the outside surface in molten steel and molding the insert steel ingot t...
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JPS58103938A |
PURPOSE: To omit boring works and to reduce losses of yield by producing a steel ingot contg. a mandrel formed with a stripping-off layer consisting of connecting materials and refractory materials on the outside surface and rolling the ...
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JPS5828017B2 |
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JPS5828018B2 |
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JPS5885444U |
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JPS5890351A |
PURPOSE: To decrease pipe formation considerably by charging respectively specific framelike deoxidizing materials and solidification accelerators successively in the end period of charging of molten semikilled steel, and cooling the mol...
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JPS5823471Y2 |
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JPS5823478Y2 |
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JPS5823470Y2 |
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JPS5823820B2 |
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JPS58500750A |
An ingot mold provided with means affording stress relief thereto for the ingot pouring operation, while maintaining the mold in condition to aid in preventing metal leakage therefrom during the ingot pouring operation and subsequent coo...
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JPS5877744A |
PURPOSE: To produce a hollow cast of good quality without wasting unsolidified steel by increasing the gaseous pressure on the surface of the molten steel in a mold at the point of the time when the solidified shell of a prescribed thick...
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JPS5877743A |
PURPOSE: To eliminate the presence of Nb eutectic carbide during ingot making by casting molten metal of alloy steel contg. Nb, gathering the Nb eutectic carbide formed at that time near the central part in the radial direction of a mold...
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JPS5866073U |
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JPS5868454A |
PURPOSE: To prevent the degradation in the quality of steel ingots owing to the entry of nonmetallic inclusions in molten steel into the steel ingots in the stage of casting molten steel to the steel ingots by a bottom running ingot maki...
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JPS5818997Y2 |
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JPS5818988Y2 |
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JPS5818996Y2 |
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JPS5817696B2 |
The former (5) has one or more recesses (6) extending between the top and towards the bottom and a negative taper from bottom to top. The recesses (6) from ribs from the moulding sand which grip the outer surface of a riser sleeve insert...
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JPS5858960A |
PURPOSE: To produce superior hollow steel ingots having roughly uniform wall thickness in high yields by charging molten steel into a mold from below and drawing the formed solidified shell upward. CONSTITUTION: In a mold 2, molten steel...
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JPS5855151A |
PURPOSE: To vent gas effectively and to provide a high effect of feeding in the state of casting long-sized cast ingots of small diameter or thin wall by providing rings consisting essentially of alumina and silica on the inner sides of ...
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JPS5855150A |
PURPOSE: To perform venting of gas effectively and to prevent the generation of blow holes in the stage of casting long-sized steel ingots of small diameter or thin wall by increasing the rate of venting of gas logarithmically from the l...
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JPS5855171A |
PURPOSE: To control casting and working lines automatically and to produce uniform ingots in large quantities by incorporating a weighing machine for steel ingots, a dispensing device for molten metal, a controller for conveying speeds, ...
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JPS5855169A |
PURPOSE: To cast plural cast ingots simultaneously and quickly by weighing molds independently, and dispensing a required amt. of molten metal into the molds through an arithmetic control circuit. CONSTITUTION: With the weight of a mold ...
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JPS5853352A |
PURPOSE: To obtain castings having excellent appearance by using thin-walled molds of small heat capacity. CONSTITUTION: Tubular molds 2 are used as thin-walled molds of small heat capacity of about ≤20mm (more particularly ≤15mm) wa...
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