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JP2935281B2 |
The invention relates to an induction melting furnace 1 for metals which are difficult to melt including an induction coil 2 surrounding the crucible 3 and a mold receptacle 4 surrounded by an annular chamber 5 to hold the cooling agent....
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JP2932713B2 |
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JP2932899B2 |
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JP2932954B2 |
PURPOSE: To manufacture a material of a high melting point metal product by using a high melting point metal material containing volatile impurities such as sponge Ti, etc. CONSTITUTION: A cylindrical refractory 3 is provided in the cruc...
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JPH11211361A |
To see that a molten metal leakage sensor does not operate even if a low boiling point matter such as zinc or the like permeates into the texture of a lining material, by using a glazing sleeve material, where ceramics glaze at a specifi...
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JPH11211359A |
To prevent such a trouble that low boiling point matter such as zinc or the like permeates into the texture within the lining refractory of an induction furnace, and that a molten metal leakage sensor operates, by putting an induction fu...
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JPH11211360A |
To reduce permeability of a low melting-point material, such as zinc, penetrating into the tissue of a lining material at melting thanks to an outer sleeve of a second-layer shaped refractory, for eliminated occurrence of abnormality/dis...
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JPH11211354A |
To provide a continuous casting device which can continuously cast a high-purity metal or high-melting point metal. This continuous casting device is provided with a melting and treating chamber 21 which houses a floating melting furnace...
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JP2928366B2 |
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JP2598107Y2 |
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JP2928367B2 |
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JP2925446B2 |
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JP2925521B2 |
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JP2597997Y2 |
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JP2917423B2 |
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JP2917515B2 |
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JP2917437B2 |
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JP2914776B2 |
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JP2914674B2 |
A method of continuously melting a material comprises the steps of depositing carbon in a crucible furnace provided with a melt outlet and an inlet in an upper portion thereof, heating the carbon by electromagnetic induction heating by a...
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JPH11170031A |
To prevent the deterioration caused by the oxidation of molten metal in a crucible and to drastically improve the durability of the graphite-made crucible enabling the melting and the casting the molten metal by reacting carbon content i...
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JP2913450B2 |
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JP2912546B2 |
A furnace in the invention comprises an induction melting furnace (4) housed in an air-tight container (5) which can be pressurized to the desired level of maximum allowable pressure and can be vacuum evacuated to a desired level of pres...
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JP2909395B2 |
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JP2909529B2 |
An element heats the contents of a crucible and consists of a cylindrical hollow body (5) which is a series of meandering sections (7) each separated from the adjacent section by a slit (6). The novelty is that transitional zone from one...
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JP2911791B2 |
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JP2906618B2 |
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JP2596763Y2 |
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JPH11159967A |
To prevent secondary contamination by suppressing breakage of a device when steam explosion occurs while material contaminated particularly with radioactivity is melted, for ingot-making by using a melting/ingot-making crucible in which ...
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JPH11152502A |
To provide a constitution for feeding power to a heater which has simple structure and excellent the safety and the durability. Since a constitution is constituted so as to enable the supply of the three phase AC current with a star conn...
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JPH11153386A |
To provide a multicooling vacuum furnace to effect liquid spray cooling using cooling liquid, such as oil, in addition to vacuum cooling, gas cooling, and gas fan cooling at an internal part, wash the cooling liquid at an internal part, ...
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JP2899679B2 |
This device, intended for abutting two metallic parts such as railway rails (1, 2), comprises a mould (10) and a crucible (11), of which the respectively upper (23) and lower (53) faces have mutually complementary respective hollows and/...
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JPH11116336A |
To obtain a graphite crucible contriving to control the crack generation of the graphite crucible by thermal shocks, inhibit the corrosion of the graphite crucible due to a melted metal or slag, and elongate the life of the graphite cruc...
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JPH11116335A |
To obtain a graphite crucible allowing to react a low viscous erosional material with alumina, enhance the viscosity of the erosional material, control the advance of the erosive corrosion of the crucible and thereby elongate the life of...
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JPH11504613A |
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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JPH11108560A |
To facilitate the heat insulation and heating of the molten metal in a crucible by inserting and fixing the integrated crucible having a heating means in an external reinforced metallic tank through a heat insulation layer. A ceramic pap...
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JPH11101578A |
To shorten an inclined water-cooled feeder for an induction furnace by eliminating exceeding of heat resistant temperature limit of an insulator such as an induction coil even by using it in a high temperature atmosphere. A sealed cylind...
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JP2880574B2 |
An arc is drawn between a movable electrode (E) (preferably graphite), and a fixed electrode (7) in a furnace when smelting metal oxides using a plasma. Shielding gas, e.g. N. is introduced into plenum (P) about the movable electrode (E)...
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JPH1187044A |
To make the molten metal tap flow amount adjustable in large quantity. A copper-made crucible 2 provided with an induction coil 1 is composed of a plurality of segments 4 by means of slits 3. A material to be melted is placed in a crucib...
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JPH1183336A |
To provide a vacuum melting furnace which can be manufactured at low cost by simplifying the structure of the furnace and minimizing the same, and for which workability is improved by carrying out the tightening work of tightening bolts ...
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JPH1180938A |
To provide a thin film forming method suppressing splashes in a vacuum depositing stage and preventing deterioration in the quality of thin film caused by splashes, to provide a thin film forming device and to provice an evaporating sour...
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JPH1180937A |
To provide a thin film forming method suppressing splashes in a vacuum depositing stage, making the film forming rate high and perverting deterioration in the quality of thin film caused by splashes, to provide a thin film forming device...
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JP2874526B2 |
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JP2592356Y2 |
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JPH1174070A |
To facilitate assembling to insulate heat between the crucible heat inner wall and molten bath by forming an electrically insulated layer, by flame spraying, on a facing surface to an adjoining segment with a longitudinal copper- made se...
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JP2867429B2 |
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JP2867428B2 |
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JP2867569B2 |
PURPOSE:To melt an activated metal, etc., with high power efficiency without being contaminated by the material of crucible by constituting the crucible for melting activated metal, etc., of plural water cooling type outer peripheral seg...
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JP2866582B2 |
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JPH1163845A |
To reduce the loss of heat from a surface of molten metal in a crucible and avoid the mixing of a foreign matter in the molten metal to be ladled due to the stirring of the molten metal in the crucible, which is accompanied by the pourin...
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JPH1163852A |
To provide a vacuum melting furnace which prevents the quality of molten metal from deteriorating by scraping out dross while holding vacuum and an inert gas atmosphere in a vacuum chamber, and which improves workability of scraping out ...
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