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JP2004278860A |
To provide a plasma type melting furnace of such a structure that the incineration ash and the splashing ash from incineration are melted upon mixing or individually using a plasma torch, capable of establishing a seal of the intra-furna...
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JP2004263257A |
To provide a powder production apparatus which realizes the stabilization of electrodes and the production of high quality powder, and facilitates the increase of apparatus capacity.A powder production apparatus 1 is provided with: a cyl...
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JP3566824B2 |
To prevent overheating of a material by very high temperature plasma and stably heat-treat the material by arranging a plasma flame furnace for heating and controlling heat plasma in addition to a heat plasma torch, a material supply pip...
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JP3564527B2 |
PCT No. PCT/DE94/01469 Sec. 371 Date Jul. 11, 1996 Sec. 102(e) Date Jul. 11, 1996 PCT Filed Nov. 30, 1994 PCT Pub. No. WO95/16335 PCT Pub. Date Jun. 15, 1995A submerged arc furnace with an open slag bath, having a vertically movable fram...
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JP2004527878A |
A plasma arc torch that includes a torch body having a nozzle mounted relative to a composite electrode in the body to define a plasma chamber. The torch body includes a plasma flow path for directing a plasma gas to the plasma chamber i...
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JP2004243374A |
To enhance welding efficiency and welding position precision in a plasma torch used for high temperature working such as welding, cutting, thermal spraying and heating.In the plasma torch, the tip of an insert tip 10 is provided with a p...
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JP2004525493A |
The present invention provides a method for pattering oriented materials to make organic electronic displays or devices. The method includes selective thermal transfer of an oriented electronically active or emissive material from a ther...
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JP3555266B2 |
To prevent occurrence of an accident that a graphite electrode is broken due to a tilt of a furnace cover in the course of an operation, in regard to an electric furnace wherein metal is melted by the heat of an arc generated by the grap...
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JP3555821B2 |
To shorten the operation time of an arc furnace by determining generation of land sliding phenomenon at the time of boring so as to stop an electrode in the case where an absolute value of the fluctuated variable of reactive power exceed...
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JP2004228091A |
To constitute an electrode unit comprising a carbon electrode as no loosing may arise between each components of the electrode unit, or a high bonding force is given in the electrode unit, and a measurable loosening torque between the el...
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JP2004224599A |
To provide glassware which has a thermally sprayed film and which has improved appearance and can shorten the time for production while preventing degradation in the strength of the glassware, and to provide a method for manufacturing th...
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JP2004216246A |
To provide a high-frequency plasma treatment apparatus capable of keeping a stable plasma by low power and a high-frequency plasma treatment method using the apparatus.The plasma in a discharge tube 11 can be stabilized by low power by s...
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JP2004216231A |
To provide a method for decomposing a compound by a high frequency plasma capable of stabilizing the high frequency plasma while making a system compact and reducing an initial cost and a maintenance cost to accelerate the decomposition ...
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JP2004220826A |
To provide a graphite electrode for steel making capable of effectively preventing oxidation consumption in operating the graphite electrode used for an electric steel making furnace, and of improving an electrode specific consumption.Th...
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JP2004214145A |
To provide a graphite electrode excellent in thermal shock resistance by accurately grasping estimation factors of thermal shock resistance of a graphite electrode for steel making.The thermal shock resistant graphite electrode used for ...
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JP3547213B2 |
PURPOSE: To contrive the reduction of amount of exhaust gas and the compacting of a main combustion chamber by generating the main amount of heat necessary for the melting of a matter to be molten without accompanying the consumption of ...
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JP2004206900A |
To provide an electrode with improved strength for a consumable electrode type arc melting method for a high melting point active metal.In this electrode for consumable electrode type arc melting, a powdered raw material to be melted is ...
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JP3546139B2 |
To detect the upper end of a plasma electrode and to surely add another electrode to the electrode. A plasma melting furnace on the top of which a plasma electrode 2 is provided through the main body 1 of the furnace and, at the same tim...
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JP3544814B2 |
To provide a working gas connector of which attachment and detachment to an electrode is easy and to provide a attaching and detaching device of it. A working gas connector 21 comprises a cap part 27 having the connecting hole 26 connect...
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JP3546071B2 |
PURPOSE: To form a covering layer for prevention of electrode rod exhaustion due to oxidation, wherein the operating environmental problem due to the execution of works in the operating condition is solved, which is required to form non-...
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JP2004195525A |
To reduce frictional force in friction stir welding using a joining tool.This welding method is performed by force-fitting a joining tool 1 formed of a material harder than a workpiece 6 into the weld zone of the workpiece 6 while the jo...
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JP3541939B2 |
The present invention is concerned with a method for the production of fine and ultrafine powders of various materials such as metals, alloys, ceramics, composites etc., through a transferred arc plasma system. The method comprises vapor...
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JP3543149B2 |
To obtain a sufficient coating and prolong the life of an electrode, when plasma spraying the inside of a thin tube material. This torch head comprises a torch body 11 to be inserted into a tube material 40, a cathode-ray tube 12a which ...
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JP2004172123A |
To prepare a connecting point of an electrode device so as not to cause looseness among each members of the electrode device, or apply a high bonding force to the electrode device.An electrode made of carbon or graphite and/or a nipple f...
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JP3536115B2 |
To provide a waste treating apparatus capable to effictively preventing the retention and solidification of molten slag generated by incinerating in a melting furnace for forming a plasma space. The carton accommodating waste therein is ...
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JP3535727B2 |
To provide a plasma melting furnace which can get an equal and high quality of granulated slug by preventing the mixing of incomplete melted matter into the molten slug overflowing from a furnace without dropping the melting treatment ca...
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JP2004156819A |
To provide a plasma arc melting furnace capable of performing uniform melting treatment of an object to be treated and further performing melting treatment of combustibles while suppressing the consumption of an electrode caused by corro...
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JP2004156865A |
To provide a device and method for controlling operation of a plasma arc type melting furnace reliably grasping generation of stray current of the plasma arc type melting furnace and operating with a favorable state on the basis of the g...
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JP2004152730A |
To provide an electrode structure for a plasma melting furnace in which oxidation consumption rate is small, and contact resistance against a bus-bar hardly changes for a long time.As for the plasma melting furnace in which treated objec...
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JP2004144443A |
To provide an operation controller and its method for a DC electric type melting furnace capable of suitably operating the melting furnace by completely detecting a stray current generated in the DC electric type melting furnace.In the o...
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JP2004138650A |
To prevent a discharge path from being affected by sticking of glass etc. by specifying a tip part where discharge is carried out while a specified part of an electrode rod is covered with an insulator.At least one of a couple of electro...
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JP2004140934A |
To provide a method and a device for snow accumulation which almost duplicates a snow accumulation state with natural wet snow.In this method for snow accumulation which performs a snow accumulation simulation by accumulating natural sno...
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JP2004139763A |
To provide an electrode insulation structure of a plasma arc type melting furnace which surely prevents generation of stray current by enhancing insulation performance of a sleeve surrounding an electrode of the plasma arc type melting f...
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JP2004514054A |
The electric current for the generation of the cathodic and anodic plasma jets (15) is divided into three parts, one passing through the object (2) being treated and the two others supplying the jets. The cathodic jet is at an acute angl...
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JP3522039B2 |
To obtain pyrolysis gas, having a high calorie, upon pyrolytical treating of waste. Charged wastes are decomposed pyrolytically employing a plasma pyrolysis furnace and plasma operating gas as combustible gas by plasma arc, formed betwee...
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JP3513783B2 |
To provide a waste treating apparatus capable of assuring the safety and simplicity of the maintenance operation of a water-cooled mechanism for cooling a plasma torch. A mounting hole 51h is formed at the peripheral wall of a melting fu...
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JP2004089914A |
To provide a waste treatment apparatus leaving little residue after treatment of waste.This apparatus includes a three-phase arc-heating furnace 2 capable of heating up to 2,000°C or higher in order to gasify the waste. The heating furn...
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JP3504979B2 |
PURPOSE: To make it possible to be free from any requirements for construction accuracy and prevent molten steel from leaking by way of a furnace bottom electrode with regards to furnace bottom electrode structure of an electric melting ...
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JP3499723B2 |
To provide a stable electric arc having a specified shape by adding a control operation to a difference between each of reference values for electric arc current and voltage satisfying an electric arc characteristic and a value detected ...
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JP2004052041A |
To prevent troubles in operation due to the fall in molten-metal temperature when a cold iron source is melted by an arc by using an arc melting facility having a preheating chamber directly connected to the top of a melting chamber whil...
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JP2004036005A |
To provide fine and ultrafine metal powders which has a span being one of the measures specifying the particle size distribution below a specific value, and has high crystallinity.The fine and ultrafine metal powders has controlled parti...
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JP2004031557A |
To provide an optical heating device in which a flush lamp is set to be a light source and a crack of a silicon wafer is prevented.The device is provided with the flush lamps (20) with which rare gas is filled, a casing (32) surrounding ...
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JP2004028539A |
To provide a melting treatment method for an incineration residue capable of eliminating a disposal process or a discharge of melted metal when executing melt-treating the incineration residue of municipal refuse and/or industrial waste ...
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JP3484160B2 |
A lightwave oven cooking method and apparatus uses pulsed power applied to a plurality of high-power lamps which provides radiant energy in the electromagnetic spectrum and having wavelengths including the visible and near-visible ranges...
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JP3483054B2 |
PURPOSE: To embody a DC electric furnace capable of being miniaturized wherein a substantially the same electric potential level is formed widely over a furnace bed and a powderlike stock material is effectually subjected to submerged ar...
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JP3477262B2 |
PURPOSE: To provide a heater for a plasma treatment apparatus capable of remarkably shortening the cooling time and improving the rate of operation in the apparatus. CONSTITUTION: This apparatus is obtained by introducing a cooling gas f...
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JP2003336818A |
To stably generate thermally decomposed gas with high quality and high calorific value.A facility comprises a thermal decomposition furnace 2 having a waste input opening 22 for supplying waste into a furnace body 21, a plasma torch 23 f...
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JP2003322479A |
To provide an electrode member disposed at the bottom of a furnace usable in an electric furnace, which does not need a reduction firing process while keeping durability, obtainable at low cost, and having excellent conductivity.The elec...
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JP2003317930A |
To provide a plasma type fusion furnace automatically feeding and melting a sufficient amount of an appropriate temperature insulative melting object such as incineration ash, incineration fly ash, and glass cullet without causing interc...
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JP2003313610A |
To provide a plasma heat treatment furnace which can ensure insulation of a cathode terminal at an introduction part of the cathode terminal into the heat treatment chamber and enables easy maintenance around the introduction part.An ann...
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