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JP2004197222A |
To provide a water-cooled copper crucible for the consumable electrode type vacuum arc melting capable of minimizing a cut part by suppressing the generation of defects at the bottom part of an ingot.A recessed part 6 having height lower...
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JP2004167591A |
To provide a melting and casting method with which the quality and the yield can be improved by restraining the vaporization of a magnesium and the development of oxide, etc., caused at the melting time.This method comprises a melting pr...
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JP2004160465A |
To provide an integrated mold closely sticking a cooling plate on a bottom surface of the mold and its manufacturing method.In the integrated mold 14 constituted of the mold 1 and the cooling plate 4 closely stuck to the bottom surface 9...
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JP2004144653A |
To enhance corrosion resistance of a container main body while restraining a production cost and a product cost.In this manufacturing method, a joined metal block Z is formed by joining preliminarily the first metal block A serving as a ...
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JP3520992B1 |
Sub sleeve (22) is rotatable at preset angle with respect to axis of main horizontal sleeve (21). Stirring unit (1) stirs molten metal supplied into sub sleeve with bottom end closed by sub plunger (32), using electromagnetic field. Afte...
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JP3520993B1 |
A front sleeve (21) is formed with a discharge opening (23) and is connected to a rear sleeve (22). Molten metal (M) is filled in the rear sleeve and is stirred by application of an electromagnetic field to form a semi-solid-metal slurry...
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JP2004108725A |
To provide a pressurization induction melting device capable of preventing a water cooled cable connecting an induction coil in a melting furnace incorporated in a pressure vessel with external power supply from being deformed even when ...
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JP2004098277A |
To provide a novel improved fasteer collation strip wherein, in order to beat a top fastening device into an underlying substrate through a driving hole portion of a fastening device driving tool, a driving member is arranged movably to ...
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JP3511378B1 |
Provided are a method and apparatus for continuously manufacturing quality billets for thixocasting that have a fine, uniform, spherical particle structure, in a short time, with improvements in energy efficiency and mechanical propertie...
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JP2004066302A |
To provide a method for manufacturing high quality magnesium alloy materials by melting magnesium alloys again, pouring into a mold, and rolling the slab, and to provide a manufacturing apparatus by connecting melting, casting, and rolli...
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JP3493516B2 |
To reduce manufacturing costs and to improve powdering characteristic, hydrogen occluding characteristic, output characteristic, and initial characteristic by regulating the lattice length of the c-axis to a specific value or above. The ...
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JP3490424B2 |
To melt titanium ingot with high productivity and superior in quality and characteristics. (1) The method for melting the titanium ingot comprises cooling a smelted ingot in a furnace, discharging it outside the furnace when the surface ...
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JP2003340560A |
To provide a method and an apparatus for manufacturing a longer ingot than an ingot manufactured by a conventional simple batch method in a technique for manufacturing the ingot of an active metal such as a titanium alloy by melting with...
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JP2003534923A |
A method and apparatus for reducing crop losses during slab and ingot rolling concerns the formation of a slab ingot having a specially configured or shaped butt end and optionally a head end as well. A special shape is formed by machini...
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JP2003307390A |
To provide a cold crucible induction melting and casting system capable of performing a process for reducing volume of melting material and stably and continuously manufacturing ingots by recycling used materials and for manufacturing fa...
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JP3457213B2 |
To obtain heat generating element, with which the heat generating material for casting having high strength can be produced without developing any trouble caused by mutual reaction between binder and the heat generating component. The he...
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JP2003290906A |
To provide a method for remelting an Ni-base alloy which does not produce freckle defect.When an ingot is produced by remelting a consumable electrode composed of the Ni-base alloy with a vacuum-arc remelting method or an electro-slag re...
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JP2003266151A |
To stably produce a hollow steel excellent in the surface characteristic in the inner surface without limiting its length.A continuous casting apparatus is provided with a mold 1, a water-cooling core 2 disposed in the inner part of the ...
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JP2003266166A |
To provide a top-pouring ingot-making apparatus for high melting point active metal with which a cast ingot composed of the high melting point active metal such as Ti or this alloy, and having uniform components and good cast surface is ...
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JP2003239031A |
To provide a non-Cu based precipitation hardening Al alloy which has satisfactory mechanical properties, particularly has excellent elongation, when made into a thick-walled casting (having a value in DASII of 20 to 50 μm).The non-Cu ba...
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JP2003240450A |
To provide a closed sealing device for an electroslag melting furnace for completely preventing atmosphere from flowing into a mold even when a hood is installed thereon.In the closed sealing device for an electroslag melting furnace, a ...
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JP2003523831A |
Nucleated casting systems and methods comprise form castings under reduced pressure. The casting system forms a casting comprising a liquidus portion that receives the refined liquid metal and a solidified portion, the casting further co...
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JP2003523828A |
Casting systems and methods form a hollows metal casting, in which the hollows metal casting comprises a fine-grain, homogeneous microstructure. The microstructure is essentially oxide- and sulfide-free, segregation defect free, and esse...
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JP2003205355A |
To provide a method for casting an aluminum alloy by which adverse effect on various characteristics caused by porosity is eliminated.When an aluminum alloy cast block is cast with the solidification in a mold, the casting is performed b...
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JP2003191053A |
To provide a method for blasting calibration of a chill mold including a tubular mold or a block mold in a relatively simple manner and at a relatively small cost.In a method for blasting calibration of the chill mold, a calibrating mand...
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JP2003164946A |
To provide a manufacturing method for an ingot free from a so-called 'freckle defect' by using a related equation which provides individually the adequate manufacturing condition for each representative kind of steel in manufacturing a n...
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JP2003154445A |
To provide a casting method with which occurrence of shrinkage hole at the upper part of a cast ingot is restrained when magnesium alloy is cast as the cast ingot.Before pouring molten magnesium alloy into a mold, the top part of the mol...
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JP2003145249A |
To provide a casting mold for manufacturing an ingot having a unidirectionally solidified columnar crystal structure in which the structure of a cross section orthogonal to the growth direction of the unidirectionally solidified columnar...
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JP2003517101A |
The invention includes a copper-comprising sputtering target. The target is monolithic or bonded and contains at least 99.99% copper by weight and has an average grain size of from 1 micron to 50 microns. The copper-comprising target has...
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JP2003136190A |
To provide a die for vibratory casting for manufacturing an ingot having fine crystalline particles.A plurality of alumina nuggets 2 are embedded in an inner bottom surface and a side wall of a carbon die 1 in such a way that its exposin...
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JP2003136202A |
To provide a method for manufacturing an Ni-base supperalloy ingot composed of little component-segregation and uniformly fine crystal grains as a blank for manufacturing forged parts used for a gas turbine, such as a jet engine for airc...
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JP3406307B2 |
To provide a method for manufacturing a molding of a heat insulating material for casting which can quickly and easily be hardened after molding without needing long time to heating-dry and is safe without using a toxic material. The mol...
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JP2003103355A |
To provide a manufacturing method for a forging steel ingot particularly suitable to be used by being forged, by providing satisfactory uniform and fine structure mitigated with a casting defect.In the manufacturing method for the forgin...
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JP3393803B2 |
To prevent the pick-up of oxygen of the molten steel in a container, and to surely achieve the heat insulation by covering a solid heat insulation agent of the prescribed composition consisting of CaO, Al2O3 and MgO on an upper layer of ...
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JP2003055031A |
To provide a heat generating and heat insulating pressure frame casting pit brick which has heat retaining properties, sinterability in residual dross and low hygroscopic properties by imparting both characteristics of heat generation pr...
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JP2003053487A |
To provide a riser gate brick for ingot-making with which a riser gate portion of a steel ingot can easily and safely be caught up by surely forming a recessed part on the side surface of the riser gate with a simple method without obstr...
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JP2003039138A |
To provide a detecting method for casting height of an ingot capable of automatically detecting the casting height of the ingot and decreasing a scatter of the casting height. A pair of electrodes 3a and 3b comprising the positive pole a...
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JP3374242B2 |
A foundry exothermic assembly is formed by mixing hollow glass microspheres and an inorganic or organic binder with matrix forming constituents including an oxidizable metal, an oxidizing agent, a foundry refractory aggregate and, option...
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JP2003500221A |
An exothermal feeder mass is described, containing aluminum and magnesium, at least one oxidizing agent, a SiO2-containing filler, and an alkali silicate as the binder; it is characterized in that it contains roughly 2.5 to 20% by weight...
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JP2002346700A |
To provide a method for producing that sound ingot of a metal with a high melting point and high activity, an alloy containing such a metal, or the like of which the shrinkage cavities generated on coagulation are small, which is free fr...
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JP2002539948A |
A method and apparatus are provided for making high purity and preferably oxygen free substantially void free and inclusion free copper castings such as billets from high purity copper. The castings are particularly useful to make sputte...
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JP2002331354A |
To provide a manufacturing method for a casting having the fine unidirectional tesseral structure.The horizontal continuous inverted oscillation for repeating normal/reverse rotation, wherein while gradually moving upward a solidificatio...
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JP2002331353A |
To provide a manufacturing method for a casting whose cross-sectional structure orthogonal to the growth direction has the fine unidirectional solidified columnar crystal structure.Horizontal continuous inverted oscillation for repeating...
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JP3341689B2 |
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JP3338835B2 |
PURPOSE: To form a uniform heat insulating layer and to reduce the development of dust as much as possible by forming a heat insulating material for molten metal by mixing carbonized chaff and burnt vermiculite at a specific range of rat...
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JP2002292455A |
To solve the problem that the running-out portion before the principal tapping from a molten metal crucible is tapped into a mold so that a rapidly solidified part is formed on the bottom of the silicon ingot.In the silicon casting devic...
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JP2002219556A |
To prevent deterioration of the ingot surface skin or entrainment of a cover material covering the molten metal surface by eliminating the inflow of a seal gas into a casting mold, and removing a large fluctuation of the molten steel sur...
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JP3308224B2 |
To provide a continuous caster for billet, with which even in the case of being two or more kinds in the sizes of the cast billets, the shearing droop is made to the min. This continuous caster for billet arranges a billet shearing machi...
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JP3299506B2 |
To improve the life of a mold for a large ingot by swinging a jet gas from a plurality of jet nozzles arranged in a casting chamber or a casting pit on an outer periphery of the mold, and reducing the time when an inner face of the mold ...
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JP2002178112A |
To provide a method for producing a heat insulating material with which the insulating material can be produced at a low cost by facilitating mass-production while reducing the restriction related to raw materials for the heat insulating...
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