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JP3978578B2 |
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JP3973413B2 |
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JP3972390B2 |
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JP3960370B2 |
To install a molten metal extracting means in a crucible. The crucible with a discharging unit comprises a discharging pump means by pressurizing a gas integrally installed in one side of a body.
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JP2007522425A |
A cold crucible induction furnace has a slotted-wall with a slotted inner annular protrusion that is disposed around the base of the crucible's melting chamber. The protrusions may be separated from the base by a gap that can be filled w...
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JP2007192434A |
To provide a melting furnace comprising a furnace body of high mechanical strength, and capable of melting metal with high yield ratio. In this melting furnace 1 comprising the bottomed cylindrical furnace body 2 filled with metal to be ...
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JP3952416B1 |
To provide an ingot assembly capable of charging a material other than an ingot (for example, reduced waste) into a melting furnace by utilizing existing equipment and improving combustion efficiency. This is a substantially rectangular ...
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JP2007187375A |
To provide a low-cost combustion device and metal melting furnace, which prevent generation of black smoke or harmful gas even if burning waste plastic fuel, and is used for a burner of a boiler, a metal melting furnace or the like for e...
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JP3947584B2 |
To reduce a solidified part (scull) of a workpiece material which part is produced by making the workpiece material in a melted state contact with a crucible cooled with cooling water during melting work. The present cold crucible induct...
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JP2007183072A |
To provide a heating structure and heating method for a molten metal vessel that can prevent a reduction in thermal efficiency by efficiently burning solid fuel at a regenerative burner.The regenerative burner 14 is disposed on a lid 12 ...
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JP3944700B2 |
To provide a crucible for melting of rare earth alloy capable of easily removing produced slag, free to repeatedly use and inexpensive. This crucible for melting of rare earth alloy constituted by containing one or more than two kinds of...
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JP2007517658A |
Abstract of the Disclosure An apparatus and method for heating materials or substances in an oven at an oven temperature below their melting and/or vaporization points to either melt and/or vaporize the substance. Substances are inserted...
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JP3941276B2 |
To contrive improvement of durability and maintainability and eliminate blockages of nozzles. Induction heating coils 10 are located proximately along an external form of at least a part of nozzles 17. As a result, the part of the nozzle...
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JP2007162994A |
To provide a magnesium melting device capable of efficiently re-forming a broken protective coating.The magnesium melting device is provided with a melting furnace 1 for accumulating magnesium molten metal 2, a fixed cover 3 mounted to t...
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JP2007163031A |
To provide an induction melting furnace for use in dissolving metals and obtaining alloys of desired components and being capable of preventing molten metals from spreading over a bottom surface, when the metal is tapped from a tapping p...
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JP3938770B2 |
To provide a method and apparatus for producing nickel powder with which in the case of melting and vaporizing nickel raw material charged into a crucible with plasma to obtain the nickel powder, the deterioration in the characteristic o...
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JP2007155141A |
To provide an induction melting device and its method capable of preventing damage of a crucible even when a halogen compound refining agent is used, and using a large amount of halogen compound refining agent to exercise high refining p...
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JP3934868B2 |
To provide a crucible for growth of a crystal and a method for growing a crystal to improve crystal quality, improve a yield, and improve a crystal growth rate. The crystal growth crucible 10 is provided on an upper surface with an openi...
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JP3928818B2 |
To provide a refractory for lining an induction furnace capable of improving the operating rate of a plant, production cost and workability. The innermost side wall part or side wall part and bottom part of the furnace are produced by us...
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JP3922623B2 |
To provide a method for instantaneously and accurately detecting an abnormality, e.g. crack or flaking occurring on the outer surface of a crucible in a heating/temperature rising process. In the heating/temperature rising process of a c...
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JP3921871B2 |
To give an intentional thrust to molten metal in a channel and thereby to make the molten metal in the channel circulate with that in a molten metal chamber, in order to lessen a temperature difference between the molten metal in the cha...
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JP3921198B2 |
To provide a technically excellent and economical melting device for turning a total amount of various waste products into pollution-free resources by improving the efficiency of a waste treatment process. This melting device comprises a...
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JP3917208B2 |
To provide a molybdenum crucible having a superior high temperature strength in which crystal of applied material is not colored when material of high melting point is melted even under a condition of super-high temperature or some melte...
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JP2007113884A |
To provide a metal melting/tapping device capable of stably and continuously tapping molten metal of metal melted by a melting furnace through an electromagnetic nozzle arranged in the bottom part of the melting furnace, of reducing a no...
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JP3911711B2 |
To enable a casted block to be taken out by a relativly simple structure and eliminate a problem of contamination during feeding molten metal into a casting mold or the like. A cold crucible induction melting furnace 10 is constructed su...
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JP3912717B2 |
To incinerate and melt combustibles, nonflammables and noncombustibles of radioactive wastes together without sorting them and to lengthen a service life to reduce the running cost of a crucible assuming to adopt a melter system. In this...
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JP3909088B2 |
A metal reduction and melting process which involves the heating of a burden comprising a metal containing component and a carbon containing component in a channel type induction furnace in order to reduce such metal containing component...
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JP3907132B2 |
PURPOSE: To reduce the damage of PBN-made crucible due to the solidification and expansion of contents without necessitating an interrupt disable power source. CONSTITUTION: A heat decomposable boron nitride-made crucible which is design...
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JP3900696B2 |
To provide a baking crucible adapted to manufacture of a large quantity of a crystalline silicon nitride powder of high quality having a predetermined particle shape. In the crucible used to bake a noncrystalline silicon nitride powder a...
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JP3891315B2 |
To concentrically arrange a gas bubbling nozzle and an extruding plug at the center of a furnace bottom in a crucible induction furnace to which the gas bubbling nozzle for blowing gas and the extruding plug for dismantling a crucible ar...
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JP2007024396A |
To provide an induction heating melting furnace, and an induction heating melting method with superior melting efficiency, capable of manufacturing an alloy with an accurate composition ratio, and providing melting and hydrogen refining ...
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JP3871094B2 |
To make bonding wires uniform in mechanical strength. A wire contains 1 to 100 wt. ppm of one or more elements selected from among rare elements, such as Be, Mg, Ca, Ge, Sn, In, Pb, Pd, Pt, Cu, Ag, and Y, the C content of the wire is set...
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JP3871383B2 |
To reduce interruption effect of heat from a bottom center of a graphite crucible in contact with an upper surface of a crucible table to the utmost, and make more highly effectual heat transfer to the crucible bottom, and further improv...
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JP2007010206A |
To provide a regenerative burner used in a heating furnace having a circular combustion chamber, capable of preventing fuel jetted out from a burner nozzle from being sucked to air intake/discharge holes in a state of imperfectly burned,...
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JP2006348367A |
To provide a method for recycling a metal oxide where metal resources can be efficiently recovered from metal oxide-containing dust, sludge or the like, without generating a large quantity of exhaust gas, and final waste can be remarkabl...
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JP3857589B2 |
To provide a high purity metal such as magnesium by distillation-refining of a raw metal, and to provide a method and an apparatus for refining the high purity metal exhibiting a high yield and efficiency at a low cost. The refining devi...
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JP3857326B2 |
PURPOSE: To obtain a highly reliable apparatus for opening and closing a bottom tap opening, in which undesirable heating of a plug rod is avoided and contamination with a misty matter due to an incorporated body is blocked entirely in t...
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JP3850547B2 |
To hold a high vacuum degree in a vacuum tank by eliminating a power loss due to an induced current or the like of an AC current to be supplied from an external power source to an induction heating coil. In the vacuum furnace, an inner t...
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JP3847231B2 |
To provide a high-frequency induction heating furnace and a method for melting miscellaneous radioactive solid wastes which does not need a long shutdown for the restoration of the induction heating furnace even if an accident doing dama...
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JP3848302B2 |
To enable a long-term service of a glass melting furnace. The furnace is equipped with a furnace body 16 which can reserve molten glass G, an outer shell 21 with a cooling jacket 33 surrounding the furnace body 16 and electrodes 22 whose...
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JP2006308267A |
To provide a crucible device and a solidifying method repeatedly using a crucible lowering refining cost and facilitating taking out of a solidified material.The crucible device 20 consists of a crucible main body 21 in a cylinder form w...
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JP2006524314A |
A vacuum chamber for induction heating and/or melting of a metal permits a significant portion of the magnetic field produced in the vacuum induction heating and/or melting process to make contact with the wall of the chamber without cau...
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JP3838966B2 |
To close a molten material outlet formed in the bottom of a crucible without causing the movement of the crucible due to knock-up and the change of its attitude. This closing device A having a plug closing tool 20 in a molten material ou...
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JP3836170B2 |
PURPOSE: To provide an arc-melting type crucible for dental casting which is used for melting various dental alloys by arc discharge for precision casting in the field of dental technique, having a superior heat resisting property and a ...
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JP2006275425A |
To solve a problem wherein slight amount of melted liquid leaks from a liquid drain port and is solidified before silicon raw material becomes melted liquid completely, thereby reducing yield.The crucible 1 is composed of a melting cruci...
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JP2006275426A |
To provide a manufacturing method for a crucible and a semiconductor ingot for solving a problem wherein silicon melted liquid in the crucible is supplied into a mold while temperature of the silicon melted liquid is raised beyond necess...
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JP2006275344A |
To provide a method of manufacturing a semiconductor closure body of high productivity, capable of dispensing with cutting and machining in accompany with the manufacturing of a semiconductor ingot, and improving a yield rate in accompan...
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JP3830915B2 |
To provide a method for manufacturing sponge titanium by which the diffusion of nickel from a reduction vessel directly or via molten magnesium into sponge titanium can be suppressed over a long period and recently demanded quality can b...
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JP2006242417A |
To provide a casting device and a casting method using this device, capable of accurately controlling the molten metal outlet temperature of a silicon molten liquid, while raising the temperature of a casting mold to the high temperature...
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JP2006242418A |
To solve the problems of damaging a crucible and becoming difficult to replace a melting crucible due to biting in a holding crucible, when the melting crucible is softened by a heat cycle in manufacture.This casting device has the melti...
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