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JP2001133167A |
To improve a power factor while keeping productivity by supplying an electrical power of wide range ranging from a high voltage low current to a low voltage high current for the progress of melting in a transformer having a non-voltage t...
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JP2001124477A |
To improve the thermal efficiency of a tube heater for a molten metal furnace and, at the same time, to prolong the service life of the heater. In a tube heater 1 for a molten metal furnace, a coil-like wound heating element 3 is inserte...
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JP3164449B2 |
PURPOSE: To detect the deterioration of the walls of a melting furnace before the leakage of cooling medium in order to safely stop the operation of the melting furnace by a method wherein the structure of the furnace is made up of doubl...
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JP2001118852A |
To eliminate a fault of an electric furnace for heat-treating such an object as a wafer that it cannot be reduced in size since an object to be heated would have an uneven temperature if the distance between the heating wires of the furn...
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JP3160956B2 |
PURPOSE: To equalize the components of iron pig by forming a side wall section of a crucible with a ceramic material and laying out an induction heating coil to the side wall section of the crucible so that the induction heating coil may...
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JP3158334B2 |
PURPOSE: To reduce the quantity of arc deflection and reduce the partial abrasion of an electrode by electrically connecting cables from a plurality of electrodes on molten metal side to each arc electrode through molten metal so that cu...
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JP2001108376A |
To enable execution of casting in a smaller casting radius than usual, to enable control of the amount of casting with high accuracy in a wide range, while keeping molten metal at high purity, and to enable stop of casting and execution ...
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JP2001111196A |
To prevent temperature unevenness in the heating apparatus of a printed board and the temperature rise of the printed board after the heaters of the heating apparatus are turned off, by a method wherein a suction part with an opening/clo...
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JP3155780B2 |
PURPOSE: To obtain the structure of a heater which is capable of heating molten metal without unevennesses between the upper and lower parts and with good thermal efficiency, in the filter of molten metal. CONSTITUTION: An inlet 3 of mol...
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JP2001097721A |
To increase the efficiency of the operation for melting a material having non-electroconductivity in a solid state and having electroconductivity in a molten state. A plasma torch 5 having a cathode 3 and an anode 4 installed in the vici...
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JP2001096120A |
To sufficiently heat an adsorbing material to certainly regenerate the same. At first, pellets 11 being an adsorbing material are heated only for a constant time by a heater 21 to be regenerated. When the temp. of a magnetron 8 lowers to...
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JP3148687B2 |
To reduce the dispersion of heat from a heat generating unit and contrive the saving of electric power consumption, the miniaturization of a furnace, the unification of temperature distribution in the furnace as well as the reduction of ...
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JP3145142B2 |
PURPOSE: To provide a cast product of uniform structure and high quality by melting the ingot in a non-reactive manner without being brought into contact with other material, and thereby making molten metal without partial difference of ...
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JP3142330B2 |
PURPOSE: To provide a small sized device having simple structure, in which even a low m.p. metal can be molten and cast without superheating and vaporizing the molten metal. CONSTITUTION: At one side of a rotary shaft 10 in the centrifug...
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JP2001060549A |
To provide a thin and light heater whose temperature can be controlled easily. A through-hole 8, through which a pin 7 for supporting a semiconductor wafer is put is formed at a plate-shaped body 1 made of metallic nitride ceramic or met...
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JP3141722B2 |
PURPOSE: To control the alloying degree in continuous galvanizing in an adequate range by controlling alloying electric power to the value determined by functions, of steel kind, sheet thickness, sheet width, line speed, deposit and allo...
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JP3140108B2 |
PURPOSE: To make a uniform temperature distribution of steel materials within a furnace by a method wherein a heat transfer at a part supported by a supporting fitting at a lifting or descending support and another heat transfer at a gap...
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JP2001057370A |
To reliably control temperatures in a ceramic base to be heated by a resistance heater by a method wherein there is arranged a heater controller for restricting a heater controller providing a power amount and a current applied on one or...
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JP2001055635A |
To provide the subject heat treatment oven and a method for producing carbon fiber using the oven, capable of improving carbon fiber productivity through enabling the production cost to be cut in both flameproofing treatment and carboniz...
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JP3138136B2 |
PURPOSE: To ensure the responsiveness for control of pressurizing and exhausting while coping with the clogging of fume in a pressurizing pipe or exhaust pipe and a terminal box having large volume. CONSTITUTION: An induction heating coi...
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JP2001041661A |
To permit tapping from a small diameter nozzle as well as continuous operation by forming a insulating film on the inner surface of a tapping nozzle. A crucible 2, constituted of a water-cooled copper segment structure, is arranged in a ...
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JP2001033171A |
To provide a method and an apparatus for smelting a cold iron raw material not requiring an apparatus for conveying and feeding the cold iron raw material to a smelting chamber particularly, capable of preheating the cold iron raw materi...
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JP2001033172A |
To provide a method for refining molten metal capable of stable operation of heating and refining the molten metal. The refining method refers to a method for refining molten metal by heating the molten metal with a plasma torch or heati...
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JP2001501770A |
An apparatus for providing three dimensional positioning to the ends of one or more translating elements which are normally restricted to translation along the longitudinal axes of the elements. A cartridge assembly including a cylinder ...
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JP2001031473A |
To provide a graphite heater capable of directly using conventional facilities of electric source and heating furnace, useful for a heating furnace having a long life and a high specific resistance. This graphite heater has ≥17 μΩ.m ...
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JP3129714B1 |
[wrap up] [Task] Providing a structure for the bottom electrode of a DC arc furnace that is durable and can reduce the number of times the bottom is replaced. The electrode body of a metal circular rod, the electrode body, which is insta...
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JP3130208B2 |
PURPOSE: To obtain a furnace floor having low electric reistance by using scaly graphite powdered materials or graphitized carbon fiber felt or a mixture of the both as joint materials for a joint between a metal plate and a permanent br...
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JP2001026413A |
To provide a shaft kiln for powder treatment capable of preventing the formation of bridge in a raw material feed hopper, the oxidation of powder by remarkably decreasing air among the powder or the like with a simple structure.The tight...
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JP2001028293A |
To provide a hanger, capable of freely changing pitch dimension and without deformations by installing a support on a pedestal, installing a cylindrical heater which receives part at the top of the support, installing a load receiver and...
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JP3129076B2 |
PURPOSE: To control the output timing and amount from a molten metal which is prepared by putting in small solid pieces and allowing to grow. CONSTITUTION: An induction coil 20 consisting of an upper coil 21 and a lower coil 22 is instal...
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JP3129078B2 |
PURPOSE: To enlarge the buoyancy for allowing a molten metal in a crucible to be afloat without increase of the current. CONSTITUTION: A crucible 1 is provided with a molten metal discharge pipe 13 through which a molten metal 5 in the c...
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JP3128325B2 |
PURPOSE: To provide a small-size electric furnace for working optical fiber excellent in durable life, having a broad equal temperature band width of a heating part, easy to handle because of the small size, and excellent in temperature ...
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JP2001021270A |
To enable a space saving for a three-phase AC arc electric furnace to be attained and further enable a continuous control of a power supply impedance to be attained at a low cost.This electric furnace is comprised of a furnace transforme...
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JP3126380B2 |
PCT No. PCT/DE91/00582 Sec. 371 Date Mar. 16, 1992 Sec. 102(e) Date Mar. 16, 1992 PCT Filed Jul. 17, 1991 PCT Pub. No. WO92/02112 PCT Pub. Date Feb. 6, 1992.A direct current arc furnace, includes a graphite cathode; and a container formi...
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JP2001012856A |
To deal with an increase in size of a flat plate-like article such as an LCD base plate or the like, to raise heat treating capability and to suppress cost increase by constituting to heat an upper surface of a material to be heated disp...
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JP2001012855A |
To prevent local heating due to a current concentration, to prolong an electrode using period and to facilitate a maintenance by installing a solid electrode made of a composite material obtained by filling a magnesia refractory material...
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JP2001004281A |
To provide a control method upon returning to an ordinary operation by rapidly raising an electrode and decreasing the current of the electrode when the leveling phenomenon of scraps is generated.In a control circuit 8b included in an el...
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JP3122321B2 |
PURPOSE: To restrain the leakage of magnetic flux to the outside, to prevent the heating of an outside structural member and to improve the electric power efficiency by arranging a magnetic material-made magnetic shielding member so as t...
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JP3121743B2 |
PURPOSE: To make it possible to maintain the generation of plasma on an anode side when starting the operation of a furnace and prevent the temperature at the tip of an electrode of an anode torch from rising higher than that of a cathod...
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JP3118340B2 |
PURPOSE: To uniformly heat a plurality of thread- or wire-like products simultaneously and enhance thermal efficiency by partitioning the inside of a ceramic cylinder into a plurality of heating chambers via a ceramics partition plate. C...
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JP3116626B2 |
PURPOSE:To provide the slag heater for a melting furnace which facilitates additional charging, etc., of waste to a melting furnace 3 for metal-contg. waste and does not restrict the structure and materials of the melting furnace. CONSTI...
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JP3117471B2 |
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JP2000337779A |
To enable a floating and melting device to cool and solidify a metallic or semiconductor material while the material is in a floating state, by providing a main holding means composed of a superconducting magnet, an auxiliary holding mea...
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JP2000329477A |
To efficiently reduce work time even if there is only one burning stand by providing a pre-drying part for pre-drying a next object to be burned before burning while the object to be burned being placed on a burning stand is being burned...
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JP2000331777A |
To control the tapping amount per unit time in a wide range by providing a flow regulating nozzle for regulating the flow rate to a desired flow rate and attachable to and detachable from the outlet port of a copper crucible. A molten me...
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JP2000329304A |
To suppress the heat strain of a water cooled panel segment, which is caused by heating, at a low level by carrying out heating by effecting a centralized heat input to a metal tube portion of the segment and an even heat input to the su...
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JP2000329475A |
To provide a heater furnace having a large length of soaking and being excellent in thermal efficiency and further in cooling efficiency. This heater furnace comprises core tubes 1 and 2 holding an object of heating inside, heaters 7 and...
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JP3110281B2 |
PURPOSE: To efficiently stir molten metal while heating by connecting with a molten metal vessel and applying tapered angle and elevation angle to the flowing direction of the molten metal in a tubular flowing passage crossed with an AC ...
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JP3109139B2 |
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JP2000310491A |
To achieve a desired temperature distribution in the section of a furnace, chamber perpendiuculat to the conveying direction of materials to be peocessed by arranging electric heaters in parallel perpendicularly to the conveying directio...
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