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WO/1982/001143 |
Method of casting such melts of materials, the course of solidification of which comprises an expansion followed by a contraction, for example grey iron alloys, nodular iron, etc. The molten material is supplied to the mould cavity (2) i...
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WO/1982/000786 |
In this process, the sand molding forms are made impervious to water. The tempering is effected from the outside by means of an appropriate fluid, after the molding forms have been filled with metal or during the filling operation. Appro...
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WO/1981/002310 |
Filled tubular article (38) for controlled dissolution in molten metal (13) for making boron treated steel. The filled tubular article (38) includes an elongate conduit (56), an elongate aluminum member (58) located within the conduit, a...
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WO/1981/001972 |
The problem of leakage of fluid material from the mould cavity (36) in a pressure forming process between the faces of separate die-parts (29 and 31) is conventionally overcome by careful machining of the die parts. The invention provide...
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WO/1981/001971 |
An improved self drying aluminium-containing composition in which drying is initiated by an alkaline substance is obtained by substituting an alkali metal nitrite for the alkali metal nitrate conventionally added to such a composition. T...
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WO/1981/001810 |
A process and apparatus for casting semi-finished metal products in which a molten-metal-proof-plunger (27, 100, 161, 163) is disposed near the top of a cavity (26, 162, 164) in a permanent mold (20, 150),a reservoir (36, 203) of molten ...
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WO/1980/002811 |
Sound castings (1), free from aluminium pick-up, are produced in moulds (2) in which are located at places where it is desirable to promote directional solidification lining pads (9) made from a composition which comprises particulate re...
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WO/1980/002659 |
An additional product, in general, has to be added to the metal during casting. It is proposed to servo-control the flow of this product to that of the molten metal. The sensor (4) measures continuously the flow of the cast (2) running i...
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WO/1980/002658 |
A cavity in a body of particulate moulding material has at least one rib-like formation for gripping an object received in the cavity. In the case of a metal casting mould a riser sleeve (1) is inserted into a cavity (9) in the top part ...
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WO/1980/001999 |
A method of and apparatus for continuously downwardly casting steel, in which molten steel (2) is poured into a continuous casting mould (3) and the still molten and/or solidifying steel is subjected after pouring to a helical electromag...
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WO/1980/001657 |
Die casting method in which a molten metal is injected into a die cavity (30) for cast products through a sprue (31) and also applied with pressure by means of a pressure plunger (36) through a pressure channel (17) communicating with th...
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WO/1980/001656 |
A die-casting method and apparatus adapted to be used for production of, for example, housing members of compressors, pumps or the like, wherein a molten metal injected into a forging die cavity (30) may be applied with pressure through ...
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WO/1980/001655 |
A die casting machine comprising a sprue (31) for injecting molten metal into a die cavity for casting a product, a pressure channel (17) communicating with the die cavity (30) at the position different from the sprue (31), and a plunger...
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WO/1980/001658 |
Die casting method in which a molten metal is injected under pressure into a die cavity (30) through a sprue (31) and also applied with pressure through a pressure channel (17) communicated to the die cavity (30) at a location other than...
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WO/1980/001574 |
A method for controlling the process of electroslag remelting of consumable electrodes in a widen crystallizer consists in stabilizing the volume of the slag bath by way of dosed feeding of flux, in stabilizing the resistance of the slag...
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WO/1980/001573 |
A method for controlling the process of casting thin-walled ingots by the electroslag remelting consists in maintaining a constant value of the inter-electrode gap. For that purpose the melting current is measured and averaged for given ...
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WO/1980/001257 |
Method and device for pressurizing the inner surface of a molded cylindrical article by the step of pressurizing and forming the inner surface of the article while rotating a pressing unit (6a) of pressurizing means (6) relative to a mol...
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JP2012016715 |
To provide a method of bottom-casting ingots by which production of coarse inclusions is suppressed, and ingots having excellent cleanliness can be produced.When the method of bottom-casting ingots is performed for charging a molten meta...
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JP2012012705 |
To provide an appropriate producing method including heat treatment of a relatively large single crystal component made of well-known nickel-based superalloy or a component having a structure coagulated in one direction, and to establish...
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JP2011255392 |
To produce an aluminum alloy which has enhanced mechanical strength and rigidity and further has a reduced thermal expansion coefficient by adjusting the composition of an aluminum molten metal and ultrasonic irradiation conditions.An al...
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JP2011257129 |
To provide a melting furnace with a stirring device for molten metal of non-ferrous metal or the stirring device for the melting furnace inexpensively with a simple structure.This stirring device 2 for the melting furnace, or the melting...
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JP2011251328 |
To provide a technology of shortening a cycle time associated with casting in a gravity casting method.The casting method is executed by using a mold having: a main sprue runner 19 elongated downward; a plurality of branch sprue runners ...
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JP2011241432 |
To provide a technology that can manufacture a compound material with high thermal conductivity in which high thermal conductivity performance is maintained well.A mixed material 16 of a matrix metal 14 and a carbon fiber 15 as shown in ...
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JP2011240392 |
To provide: a casting apparatus capable of applying a riser without trouble even when casting at a low pressure; a die structure; and a casting method.The casting apparatus includes: a die that has an upper mold 20 provided with a riser ...
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JP2011241426 |
To provide a casting of aluminum alloy having thermal-resistant and wear-resistant properties, which can be easily manufactured by casting the aluminum alloy containing Fe.The casting 1a, 1b, or 1c can be obtained by casting the aluminum...
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JP2011236483 |
To provide a steel sheet for heat treatment which has uniform hardness distribution and excellent toughness in steel sheet members after heat treatment, and excellent scale adhesion.The steel sheet contains a chemical composition in term...
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JP2011235344 |
To provide a method for manufacturing an amorphous alloy product which can achieve the manufacture of a glassy metal product on an industrial scale while alleviating manufacture conditions as high-temperature heating/melting and high-vac...
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JP2011230148 |
To provide a casting body which has excellent strength and is capable of being manufactured by a simple method and to provide a method for manufacturing the casting body.The casting body of an aluminum alloy, which is obtained by incorpo...
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JP2011231394 |
To provide a wrought copper alloy, excellent in machinability and extensibility and suitable for the use requiring at least one of high strength and high electrical conductivity while reducing the environmental load.The wrought copper al...
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JP2011224573 |
To solve such the problem that in the conventional die casting apparatus, in the one where a die is fitted to the tip of a plunger sleeve, when a molten metal is injected from the injection port of the plunger sleeve, and an injection ro...
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JP2011206848 |
To provide a magnesium alloy for normal temperature manufactured by adding an alkaline earth metal oxide to a melt of magnesium or the magnesium alloy, and also to provide a method for manufacturing the magnesium alloy.CaO is added to th...
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JP2011206785 |
To provide a casting method which can improve the yield of molten metal to be injected into a mold.In the casting method, a required amount of molten metal is poured into a sand mold 10 and a casting product is cast, the sand mold 10 inc...
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JP2011200882 |
To provide a casting apparatus which can efficiently apply ultrasonic vibration to a molten metal injected into a plunger sleeve.The casting apparatus 1 injects the molten metal X of an alloy material into the plunger sleeve 21 to produc...
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JP2011201737 |
To provide a polycrystalline silicon ingot in which many crystals in the (001), (111) orientation are present, in the base of which few parts have a high oxygen concentration, and which is significantly improved in the production yield, ...
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JP2011200909 |
To achieve the swift cooling of a cast molten metal by an inexpensive mold.A permeable mold part is formed at least at a part of the inside face part in a mold forming a product cavity 1 made of the space to be teemed with a molten metal...
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JP2011201736 |
To provide a method for producing a polycrystalline silicon ingot enhancing yield of the polycrystalline silicon ingot by reducing a portion having high oxygen concentration in a bottom part, and to provide the polycrystalline silicon in...
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JP2011200881 |
To provide a casting apparatus which can effectively apply ultrasonic vibration to the molten metal of an alloy material when the molten metal is injected into the cavity of a clamped die to produce a die-cast product.In the casting appa...
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JP2011194407 |
To provide a cylinder liner having a high bonding strength to a cylinder block, and to provide a method for producing the same.The cylinder liner uses a silicon-aluminum alloy as a material; a plurality of protrusions are formed on the o...
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JP2011194436 |
To achieve the forming of a roughly shaped material without using a mold, and to easily achieve coping with a shape change.Metal slurry 10 in which a solid phase rate lies within the range of 30 to 60% is placed on a working table 20, th...
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JP2011190516 |
To provide a spheroidal graphite cast iron tube that has high strength and high toughness and can be readily produced at a low cost.The spheroidal graphite cast iron tube has a composition containing, by weight, 3.20 to 4.00% C, 1.40 to ...
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JP2011190537 |
To meet a need to have a tantalum product having higher purity, a fine grain size, and/or a uniform texture.High purity tantalum metals and alloys containing the same are described. The tantalum metal preferably has a purity of at least ...
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JP2011183409 |
To provide a composite material that enables iron powder to be properly melted into molten copper and enables deterioration in product quality attributable to oxidation of iron to be suppressed, to provide a casting method of copper allo...
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JP2011183440 |
To provide a method for molding an article, which improves a yield when molding a molded article and reduces flow resistance of a molten material in a mold when supplying the molten material in the mold.There is provided the method for m...
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JP2011177787 |
To provide an ultrasonic horn made of silicon nitride sintered compacts having enhanced fracture toughness and durability, which enables an ultrasonic treatment to be performed suitably, has improved wettability to molten aluminum, and e...
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JP2011174182 |
To provide a method for producing an aluminum alloy ingot in which the generation of a fir tree structure is stably suppressed, and to provide the aluminum alloy ingot and an aluminum alloy material.The aluminum alloy ingot has a composi...
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JP2011174165 |
To provide a method for refining an Al scrap, by which an Al-refined body simultaneously satisfying a high removal rate of Si and a high recovery rate of an Al crystallized product from the Al scrap can be efficiently obtained, wherein c...
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JP2011173775 |
To provide a continuous casting method of a silicon ingot capable of preventing a molten silicon from being contaminated by metal impurities caused by an atmospheric gas naturally convecting in a chamber at the time of continuous casting...
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JP2011167729 |
To provide a vibration solidification casting device, wherein the timing of the start of vibration by vibrators vibrating a mold is controlled to achieve the ununiformity of the metallic structure in a solidification step, and further, c...
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JP2011167728 |
To provide a vibration solidification casting apparatus which optimizes vibration conditions including the two parameters of centrifugal force and frequency prescribed as the vibration conditions to vibrate a mold, and can suppress the f...
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JP2011162883 |
To provide a novel aluminum alloy, which is excellent in castability, workability, and mechanical characteristics.When the total of the high-strength aluminum alloy is defined to be 100 mass%, the alloy contains 3.5-7.5 mass% Si, 0.45-0....
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