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JP2007317651A |
To provide an arc furnace power supply device in which stable and uniform arcs can be secured. The arc furnace power supply device includes a commutator (1) which can be connected with an AC voltage supply network (2) on its AC voltage s...
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JP4018037B2 |
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JP2007309540A |
To provide a heating plate, a combined heating plate and a heating furnace comprising the same, capable of reducing a substantial weight per a sheet of heating plate, reducing use electric capacity, simplifying replacement/assembling of ...
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JP2007303805A |
To provide a heat treatment furnace, a planar display element device and a planar display element manufactured by it, treating in either of closed and open structures at an ordinary pressure, reducing the treatment time by instantaneous ...
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JP4012572B2 |
A melting furnace for insulating materials is provided with a cooled crucible (10) having continuous metal side malls, a partitioned and cooled bottom (12) and at least one induction coil (28) placed under the bottom which serves as the ...
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JP2007297681A |
To provide a heating apparatus in a facility for manufacturing a cladded material, which inhibits the overall length of the facility from being greatly extended, increases the efficiency of a setting operation in starting the manufacture...
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JP2007298483A |
To provide a disconnection detector of a flexible cable for an alternating current arc furnace capable of accurately and certainly detecting the existence of disconnection of the flexible cable even during operation with a relatively sim...
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JP4007107B2 |
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JP4007771B2 |
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JP2007292450A |
To provide a drying method of monolithic refractory by use of microwave, capable of enhancing the quality of a monolithic refractory by drying it while preventing steam rupture or cracking of the monolithic refractory. In the drying meth...
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JP4005049B2 |
To provide a microwave baking furnace which can efficiently implement a temperature rise in a low temperature range and a temperature rise in a high temperature range only by microwave heating, which can effectively prevent the occurrenc...
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JP4004559B2 |
Disclosed are a method and apparatus for molding contact lenses by curing polymerizable compositions in suitably dimensioned molds using ultraviolet or other polymerization-inducing radiation and heat. The molds are moved along a source ...
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JP4004130B2 |
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JP4000689B2 |
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JP4000475B2 |
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JP3998859B2 |
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JP3999070B2 |
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JP2007529711A |
An apparatus for treating waste includes a vessel and DC and/or AC plasma torches with a variable flame mounted with the vessel. The flames generated by the torches can be adjusted depending on the characteristics of the waste being trea...
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JP2007278611A |
To provide a microwave kiln, and a thermocouple breaking detective method capable of preventing damage of an object to be treated in an interior by detecting malfunction before a wire in a thermocouple is completely broken. If an interna...
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JP2007278640A |
To provide a microwave firing furnace with excellent heat response capable of accurately measuring temperature while minimizing influence of microwave even in such a case that a thermocouple having a thin diameter is used. The microwave ...
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JP3996905B2 |
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JP2007528973A |
A method of supporting vertically hanging electrical resistance elements for heating furnaces or ovens in industrial operations. Each resistance element includes current-conducting legs that extend downward and upward a number of times, ...
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JP2007271227A |
To provide a metal member attaching method to a metal cavity inner part of the microwave firing furnace capable of preventing electrical discharge between a metal member and a metal cavity, attaching the metal member to the metal cavity ...
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JP3993359B2 |
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JP3986519B2 |
To provide an electric type ash melting furnace and its operation method capable of providing the stable continuous operation of the electric type ash melting furnace even if the measurement of an arc length and a slug temperature is dif...
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JP3987222B2 |
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JP3977164B2 |
To provide a plasma melting device with a simple constitution easy to operate capable of reducing the size of the device, and a plasma melting method. A power source 41 is connected between a cathode 11 and a nozzle 12 surrounding the ca...
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JP2007230796A |
To provide a method of manufacturing a ceramic by which a ceramic base formed body or fired body is dried or cooled without causing crack, production time is shortened and a production cost is reduced, and a ceramic firing furnace. The m...
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JP3973413B2 |
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JP2007225121A |
To provide a melting treatment device capable of dispensing with a melting auxiliary agent and the cooling of a melting portion, being easily handled, further being moved by a truck with, for example, a two-ton payload capacity, and melt...
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JP3970542B2 |
To suppress the wear of a fireproof material generated in the vicinity of the surface of molten slag of an electric melting furnace and extend its service life. In the furnace wall of the electric melting furnace made of the brick shaped...
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JP3972266B2 |
A process for operating a double-vessel arc furnace (esp. for steel-making), with electrodes mounted on a swivel mechanism, involves operating a first vessel (1) by: (a) charging liq. pig iron in amount up to 70% of the metal charge in t...
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JP2007218536A |
To provide a plasma arc ash melting furnace, capable of suppressing damage of a furnace bottom electrode by generation of a local thermal stress in a furnace body. The furnace bottom electrode 11 is provided in the center of a furnace bo...
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JP3967369B2 |
A reflective plate 72 is arranged so as to reflect infrared rays, radiated from a heating wire 71, outside of a heater 70 and may be made of steel. A number of cavities 73 are arranged on the surface of the reflective plate 72. Since the...
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JP3968308B2 |
An arrangement at installation of electrical resistance elements having high operating temperatures, in which arrangement comprises at least one element having a glow zone (3) and support and distance plates (1, 2) to carry the glow zone...
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JP2007209993A |
To provide an induction heating method and an induction heating device, which obtain a semi-molten billet having comparatively large outer dimensions in a short heating time. A billet 2 having an ordinary temperature is rapidly heated by...
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JP2007212047A |
To hold molten material in a high-temperature stereoscopic plasma forming space while preventing it from falling, and to actualize molecular dissociation while holding the material in the space for a long time. Waste materials M charged ...
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JPWO2005045341A1 |
A plurality of rails 13 are provided at both ends of the electric melting furnace 1, an arbitrary number of electrodes 2 and 2A are fixed to two sets of electrode supports 11 on these rails, and two sets of electrodes 2 and 2A are used. ...
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JP2007523311A |
A cold hearth melting and refining arrangement (10) for reactive or refractory metals utilizes an electron beam (410) to automatically clean the perimeter of the pool of molten material (300) in the hearth (10). A programmable logic cont...
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JP2007200813A |
To further uniform the temperature distribution of a work in induction heating by upper and lower coils sandwiching the work. This induction heating device 10 is formed by including the upper coil group 12 and the lower coil group 14 dis...
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JP3954985B2 |
To provide an electric furnace having a heat insulating material having no dust in view of an environmental issue wherein a heat insulating material has a dusting characteristic in a conventional electric furnace. An outer reflector 5 an...
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JP3956888B2 |
To reduce output of a heater facing to a heat treatment holder, and to improve thermal efficiency. This heat treatment apparatus has the heat treatment holder 17 that has one pair of tabular connectors 18 made of a C/C composite arranged...
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JP2007180533A |
To provide a rapid heat treatment reactor for processing improved semiconductor substrate.The rapid heat treatment reactor has a rapid heat treatment reaction chamber vessel, a table which is arranged around the rapid heat treatment reac...
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JP3943282B2 |
To improve heat characteristic, corrosion resistance and impact resistance necessary for use as a furnace core tube material by forming the furnace core tube of a ceramic having a specified specific heat, heat conductivity, apparent poro...
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JP3942480B2 |
To reduce the wear of an electrode by allowing smooth start-up for melting a base metal with stable plasma arc even at initial start-up without the need for removing slag on the base metal at restart-up. In this plasma melting furnace, d...
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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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JP3935695B2 |
To achieve the volume decrease, detoxification and recycling of wastes such as used medical instruments, general wastes, polluted soil and the like. The melting furnace 1 is equipped with a furnace body 2, a slag discharge port 22, a low...
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JP3935989B2 |
To provide a DC electrical melting furnace in which a substantial same potential level is formed widely at a heath and powder particle-like raw material is efficiently melted by a sub-merged arc electricity. An L-shaped electrode 25 exte...
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JP3932159B2 |
To provide a high-frequency sintering method for sintering a bearing alloy on a back metal, capable of shortening the length of a sintering furnace to a large extent and keeping the product quality of a sintered bearing equal to or more ...
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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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