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JP5250480B2 |
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JP5237801B2 |
The invention relates to an iridium alloy of at least 85% by weight iridium, at least 0.005% by weight molybdenum, 0.001 to 0.6% by weight hafnium and, if necessary, rhenium, the sum of molybdenum and hafnium being between 0.02 and 1.2% ...
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JP5232536B2 |
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JP5216283B2 |
To provide a high frequency induction heating type waste asbestos melting furnace capable of positively preventing scattering or discharge of waste asbestos and detoxifying the waste asbestos by heat melting treatment. The waste asbestos...
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JP5209195B2 |
A skim coat (I) for producing a durable hard coating (II) on a substrate, comprising (a) silicon nitride particles and (b) a binder comprising solid nano-particles and/or precursors thereof made by a sol-gel process. Independent claims a...
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JPWO2011096170A1 |
Impurity components such as Zn, Mg, etc. in the molten aluminum can be removed without the need for a stirrer and the degree of vacuum is not significantly lowered, and the occurrence of troubles due to metal vapor can be minimized. Prov...
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JP2013087970A |
To provide a graphite-containing refractory material by which an oxidation inhibitor with which a surface of a refractory material is coated does not swell, coagulate, peel, or flow out in spite of heating and thermal conductivity can be...
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JP2013079800A |
To provide a melting furnace in which a base substrate is immersed in a melt to stably supply an additional raw material without stopping production of a crystal thin plate to be formed on the surface of the base substrate, and degradati...
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JP5186374B2 |
An improved melting furnace including a crucible and a plurality of parallel conductors of identical height surrounding the crucible having at least one descending portion (9) and one ascending portion (10). The benefit from this arrange...
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JP5180256B2 |
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JP2013060352A |
To provide a crucible furnace for using a metal crucible at high temperatures not lower than 1,000°C, in which atmosphere in the vicinity of the crucible during the time of the high temperature is controlled, the temperature control in ...
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JP2013060348A |
To provide a crucible excellent in durability which suppresses the deformation of an opening under a high temperature usage environment at not lower than 2,000°C such as when manufacturing a sapphire single crystal.The crucible 1 includ...
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JP5174137B2 |
A unibody, monolithic, one-piece negative draft crucible (40) for an MBE effusion cell. The crucible maximizes capacity, uniformity and long term flux stability, and minimizes oval defects, depletion effects, and short term shutter-relat...
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JP5172648B2 |
A crystal-growing furnace system with an emergent pressure-release arrangement includes an isolated chamber and a furnace upper body. The top board is provided with an opening and three first guides, and the furnace upper body with a low...
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JP5167116B2 |
A dense, shaped article comprising at least about 95% by weight of a refractory material selected from the group consisting of carbides of tantalum, niobium or hafnium, nitrides of tantalum, niobium or hafnium, and alloys or powder mixtu...
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JP5162181B2 |
A reactor (1) has a casing (12) composed of a magnesia-based refractory, and a bottom plate composed of an MgO-graphite mixed refractory is disposed on a bottom part of this casing. A graphite crucible (17) is provided at a bottom of the...
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JP5141873B2 |
To provide a vacuum induction furnace capable of easily and safely charging a material to a furnace body, and a refining method of a metallic material by using the vacuum induction furnace. This vacuum induction furnace comprises a vacuu...
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JP5135846B2 |
To provide a pig iron storing furnace in which the service life of a lining refractory is extended in comparison with the conventional furnace, even in the case of storing not only the molten pig iron for producing an ordinary molten ste...
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JP5128134B2 |
Apparatus and method are provided for damping the induced fluid flow, particularly in the region of the base plate, in an electrically conductive material that is heated and melted in a cold crucible induction furnace. Damping is accompl...
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JP5119544B2 |
To provide a high frequency induction furnace having high thermal efficiency and a solid melting method. The high frequency induction furnace 10 comprises an insulating material or a dielectric material, and includes a melting container ...
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JP5113370B2 |
The invention provides a gas supply device designed to supply a combustion preventing gas (mixed gas) in which a cover gas for suppressing combustion of molten magnesium held in a melting furnace and a diluting gas for diluting the cover...
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JP2013002639A |
To provide a partition type reduction method for metallurgy and a facility for the same which is achieved in a purpose for saving energy and conserving a global environment by substantially reducing a time required for a rise and fall of...
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JP5107489B2 |
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JP5091151B2 |
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JP5082234B2 |
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JP5078249B2 |
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JP5078197B2 |
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JP5074045B2 |
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JP5065108B2 |
To provide a heating furnace capable of maximally and evenly filling combustion gas in a whole of a combustion space, and capable of effectively improving energy efficiency. The heating furnace 10 has a crucible, a refractory furnace 7, ...
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JP2012525497A |
A method for manufacturing an elongated part made of a titanium material or a titanium alloy, or an unfinished product of the part, using the step (10) of preparing a titanium material or a titanium alloy ingot, and an electric arc and s...
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JP2012189244A |
To provide a pipe unit for a raw material loading apparatus, the raw material loading apparatus: including a raw material passage with an exit end enabled to easily move in a state that raw material may be loaded from a raw material acco...
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JP2012189243A |
To provide a treatment object feeding device with high workability, in which an outlet end of a treatment object passage can be easily moved while a treatment object can be fed from a treatment object storage part.The treatment object fe...
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JP2012184147A |
To provide a vessel for glass manufacture capable of control a crack which occurs by volatilization of iridium easily and adequately, when glass is melted, for example, at a high temperature over 1,000°C.The vessel for glass manufacture...
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JP2012521531A |
It is disclosed and induction furnace (1) comprising: a box-like housing structure (2, 6), which defines an internal chamber (3) of the induction furnace (1); an infiltration crucible (7) housed in the internal chamber (3) and comprising...
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JP5004490B2 |
To prevent turning of combustion flame to a canister outer periphery. A spacer ring 142 having an outside diameter equal to a diameter of a charging part 21a and an inside diameter equal to a lifting part 21b and comprising a heat resist...
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JP5004936B2 |
The invention provides a flexible, highly pure expanded graphite sheet characterized by having an impurity content of 10 ppm or less and such a degree of flexibility that a sample thereof, 10×100 mm in size can withstand at least 10 tim...
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JP5006161B2 |
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JP5004195B2 |
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JP5009132B2 |
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JP5007100B2 |
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JP5000149B2 |
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JP4982710B2 |
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JP4985903B2 |
To provide a method for melting an alloy in a melting furnace, in which the additive is prevented from being left without melt so as to prevent the composition of the alloy from being mismatched. The method for melting the alloy includes...
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JP2012137204A |
To provide an ingot melting apparatus using exhaust heat, which is constituted of a built-in automated supply unit supplying intermittently a preheated ingot, by reusing exhaust heat energy, to preheat air for auxiliary combustion, and a...
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JP2012512797A |
The melting and solidifying furnace (1), which melts and solidifies the crystalline material (3), has a crucible (2) having a bottom (4) and a side wall (5), and a means for heating the crystalline material by electromagnetic induction. ...
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JP4938534B2 |
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JP4924913B2 |
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JP4917607B2 |
A protective coating is prepared for, and applied to, crucibles used in the handling of molten materials that are solidified in the crucible and then removed as ingots. Crucibles containing this protective coating may be used for the sol...
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JP4914544B2 |
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JP2012068017A |
To provide a vacuum melting device which can reduce labor and time when a crucible is constructed, and to provide a crucible unit used in the vacuum melting device.The vacuum melting device 10 having the crucible unit, in which the raw m...
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