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JPH08222361A |
PURPOSE: To uniformly and efficiently heat by electromagnetic induction a subject to be heated which comprises unlike conducting materials of different specific permeability. CONSTITUTION: An engine 1 comprises a cylinder block 2 made fr...
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JPH08218116A |
PURPOSE: To impart wear resistance to a carbon roll without deteriorating the flexibility of carbon and its shape stability. CONSTITUTION: The surface layer of a roll in which the barrel part is constituted of carbon 5 is provided with r...
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JP2508040Y2 |
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JP2526554B2 |
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JPH08210620A |
PURPOSE: To prevent the damage of thermal insulation material by exhaust gas and its condensate by protecting the material of a cover for placing a heating element on the surface against corrosive gas from an inner space by a shielding m...
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JPH08210777A |
PURPOSE: To enable slag to be smoothly and rapidly heated and melted while attaining a small-sized slag melting device, reducing its cost and facilitating its handling and further to enable melted slag substances and melted metallic subs...
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JPH08210785A |
PURPOSE: To enable molten metal to be smoothly and positively supplied to a receptacle while attaining a small-sized molten metal supplying device and reducing its cost by a method wherein a heating capacity of a transformer structure wi...
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JP2521292B2 |
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JP2505036Y2 |
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JPH08506929A |
A heating element for a Deglor furnace includes a heating bar being surrounded by a protective tube. The protective tube is provided with a flange for mounting. The flange is formed by a separate ceramic ring or a metal clip and is perma...
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JPH08185972A |
PURPOSE: To minimize the consuming speed of a plasma torch electrode by detecting the temperature of a refractory on a heating device inner waft heated by the radiation heat from a plasma and controlling the arc voltage and arc current o...
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JP2515898B2 |
A melting apparatus in which a material to be melted is accommodated in a crucible made of platinum or its alloy, and electric current passes through the crucible to generate heat ot melt the material. At least a part of the crucible is ...
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JP2515433B2 |
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JPH08506411A |
(57) [Summary] It is a radiant heating furnace and has a housing that can be divided into at least two parts, and these two parts are movably mounted and can be integrated so as to surround the test piece to be heated. Each of the above ...
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JP2503957Y2 |
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JP2503775Y2 |
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JPH08170884A |
PURPOSE: To stably produce a fusion surface in a bar-like electrode as above as possible, by a method wherein a lower part of the bar-like electrode at the bottom of an electric furnace is cooled with a molten metal of which Prandtle num...
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JP2511284B2 |
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JP2502823Y2 |
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JPH08165510A |
PURPOSE: To easily and accurately detect molten steel level in a furnace by calculating and detecting the position of tip part of an upper electrode and the length of arc by the electrode, at the time of melting and refining steel scrap,...
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JPH08167474A |
PURPOSE: To provide a furnace wall electrode with an excellent durability which can suppress the fusing loss speed of rod form electrode by composition the rod from electrode at the bottom of an electric furnace by joining two sorts of m...
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JPH08165514A |
PURPOSE: To give the wear resistance to a carbon roll without damaging the flexibility of the carbon and the shape stability at high temp. CONSTITUTION: On the surface layer of a roll composed of the carbon 2 in the barrel part, a metall...
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JP2501598Y2 |
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JP2502174Y2 |
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JP2506552B2 |
PURPOSE: To obtain an electric resistance heating furnace by which a workpiece can be heated up to high temperatures and therefore a resistance heating element can be easily produced with economy improved, by a method wherein an upper la...
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JPH08153581A |
PURPOSE: To make continuous operation at the time of electrode replacement by moving a dolly holding electrode along a plurality of guide rails furnished rotatably in an arc furnace, and allowing the electrode to be replaced easily and q...
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JP2504475B2 |
An apparatus (10) and method for heating a metallic melt (15) with plasma torches (20,30) is disclosed which is characterized by its ability to reduce the amount of contamination that is introduced into the metallic melt (15) during the ...
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JPH08136164A |
PURPOSE: To prevent the dusting from an electrode hole without influence of the size unevenness and the vibration of the electrode by mounting a sealing ring at the lower end of a cornice type hood fixed at the upper end to an electrode ...
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JPH08136138A |
PURPOSE: To provide a DC arc furnace in which an arc deflection in the DC arc furnace is effectively utilized, an efficient melting of scrap is carried out, with a superior heat efficiency and productivity, and a less cost of equipment. ...
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JPH08121972A |
PURPOSE: To securely melt metal waste in a short time for easy processing by providing a heater in an insulation container, and induction-heating the heater with an alternate magnetic flux generated with power supply to an induction coil...
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JPH08120358A |
PURPOSE: To stably produce an ingot having fine crystal and excellent surface characteristic at the time of hot-working by forming the bottom part of a cylindrical mold for casting to a specific shape, at the time of casting into the ing...
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JPH08109098A |
PURPOSE: To anneal a diamond mixing tube and increase the active service life by locating a diamond water jet mixing tube in a particular enclosure and heating the tube under a specific condition. CONSTITUTION: An apparatus for annealing...
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JPH08111284A |
PURPOSE: To generate a plasma arc (PA) without generation of secondary arcs even if there is a restriction on a plasma torch (PT) setting space by coordinating the locations of current feed electrodes or making balance adjustment of the ...
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JPH08107633A |
PURPOSE: To suppress frequency variation of a power supply system in regard to sudden and sharp variation of an effective power of an arc furnace, by suppressing transmission of variation of an effective power load from the arc furnace t...
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JPH08106980A |
PURPOSE: To generate a high temperature by adopting a substance or ceramics containing a specific element as a heating element heated by irradiation of a microwave, and surrounding this heating element with a heat insulating material. CO...
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JPH0896940A |
PURPOSE: To provide a barrel-shaped ceramic heater which can perform equal heating even in case that the position of passage of a thread product deflects, and is fit for heat-treating a plurality of products at the same time. CONSTITUTIO...
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JPH0894264A |
PURPOSE: To determine a wear state of a refractory layer formed on an inner peripheral surface of an electric furnace with high accuracy and cut down refractory repair cost. CONSTITUTION: A refractory layer 5 which comprises consumable b...
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JPH0889924A |
PURPOSE: To heat a material to be melted from above and below to form temperature gradient in the up and down directions to effectively heat it by installing an electrode bar which is ascended and descended, inserted into a furnace, a fu...
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JPH0830219B2 |
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JPH0883682A |
PURPOSE: To prevent electrode fracture even at a large furnace body tilt angle by providing an electrode intermediate section holding device for the intermediate portion of an upper electrode lifted to a position above a furnace cover. C...
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JPH0827142B2 |
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JPH0827141B2 |
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JPH0826328B2 |
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JPH0868513A |
PURPOSE: To obtain an indirect heating method and device which is high in economy, and has a short heating-up time and a uniform temperature distribution in a furnace at the time of finish by a method wherein heating is required in the c...
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JPH0861863A |
PURPOSE: To provide means for covering a chromium carbide acting as an intermediate layer and a metallic chromium layer. CONSTITUTION: Carbonic material and carbonic complex material are buried in mixed powder of chromium chloride and/or...
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JPH0823473B2 |
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JPH0824068B2 |
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JPH088558Y2 |
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JPH0822415B2 |
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JPH0823475B2 |
An electrically heated melting furnace, preferably a direct current electric arc furnace, having a floor provided with a lining of refractory material and with an electrode comprised of a plurality of electrically conductive paths formed...
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