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Patent Searching and Data


Matches 101 - 150 out of 10,402

Document Document Title
WO/2013/158607A1
A metal scrap submergence device comprising an open top chamber including walls of a heat resistant material, an inlet positioned in a side wall of the chamber, an outlet positioned in the base of said chamber, and a ramp adjacent said s...  
WO/2013/155497A1
A bubble pump having an interior formed from a material that is resistant attack by molten aluminum. The interior surface may be formed from a ceramic. The ceramic may be selected from the group consisting of alumina, magnesia, silicate,...  
WO/2013/141983A1
A method and system is used to process slag material to yield byproducts including a finished iron rich product and a finished low iron fines product. The by-products may include a finished high iron product and a finished medium iron pr...  
WO/2013/133172A1
The purpose of the present invention is to provide a hydrometallurgical method for nickel oxide ore, in which the plant can be smoothly started after completion of a periodic inspection because zinc sulfide separation imposes no load on ...  
WO/2013/133748A1
An iron production furnace equipment (1) has a melting reactor (2) into which iron oxide-containing raw material (4) and slag formers (5) are added. A melter arrangement (22) melts the iron oxide-containing raw material and transforms th...  
WO/2013/122069A1
High-purity titanium ingots with a purity of at least 99.99% by mass, excluding added elements and gas components. Said titanium ingots are characterized by containing an added component consisting of a total of 0.1 to 100 ppm by mass of...  
WO/2013/118695A1
Provided is a method for separating a heavy metal from a glass with high efficiency and at low cost. The present invention provides a method for separating a heavy metal from a glass containing a heavy metal oxide and a silica, comprisin...  
WO/2013/117498A1
1. The present invention concerns a gas purging plug (1) for blowing gas into a metallurgical vessel comprising: 2. (a) An elongated body (2) made of a first refractory material and extending from a first, inlet end (2a) to a second, out...  
WO/2013/117498A9
1. The present invention concerns a gas purging plug (1) for blowing gas into a metallurgical vessel comprising: 2. (a) An elongated body (2) made of a first refractory material and extending from a first, inlet end (2a) to a second, out...  
WO/2013/117529A1
A system (100) for remelting consumable electrodes (9) can be operated both as a vacuum arc furnace and as an electro-slag remelting system, wherein the system (100) has both a direct current (26) and an alternating current source (27), ...  
WO/2013/107644A1
A starting material (2) in the form of a magnesium-containing metal melt is present together with the upper region (32) of a condensation vessel (3) in the upper region (11) of a retort (1) heated by the external heating element (5), and...  
WO/2013/099365A1
A cooling body (100) has a hollow rotating shaft section (120), and a hollow immersion section (110), which is a portion communicated with the rotating shaft section (120), and immersed in a molten semiconductor or a molten metal. The im...  
WO/2013/102127A3
A filter is provided which is structured to discourage passage of a contaminant in a molten material. The filter can be designed to block a range of contaminants. For example, a passage can be formed within the filter and structured to d...  
WO/2013/098044A1
The present invention relates to a method for recovering a metal from a slag containing the metal, in which the metal-containing slag is heated in at least one stirred tank reactor (2), and in which the liquid slag in the stirred tank re...  
WO/2013/099471A1
In a molten-metal filtration apparatus (10), one or a plurality of porous ceramic filtration tubes (41) having an opening (43) on one end, the other end being closed, are disposed inside a container body (20) for retaining molten metal s...  
WO/2013/093055A1
The invention relates to an electron-beam melting furnace and to a method for operating an electron-beam melting furnace comprising a plurality of crucible devices (24), which in each case have at least one crucible (22, 23) with a cruci...  
WO/2013/088784A1
The problem addressed by the present invention is to refine a metal to a high purity in order to improve quality. This metal purification method is provided with: a melting step in which a metal containing impurities is melted; an immers...  
WO/2013/084672A1
The present invention is a method for producing calcium of a high purity, the method being characterized by the following: performing first sublimation and purification by introducing a calcium starting material having a purity, excludin...  
WO/2013/080576A1
 A manufacturing method for a metal, the method including a floating-contaminant removal step in which: a component for removing floating-contaminant is immersed in a metal melt inside a crucible; the surface of the metal melt is made ...  
WO/2013/065378A1
The purpose of the invention is to provide an arc melting furnace and an arc discharge control method with which a melted substance that has been melted efficiently can be stirred without causing workers an enormous amount of labor. The ...  
WO/2013/057450A4
The invention concerns a facility (10) for purifying a material comprising an assembly (30) of crucibles (32, 36, 38; 132). Each crucible comprises a chamber intended to contain the material in the molten state and a discharge conduit fo...  
WO/2013/057450A1
The invention concerns a facility (10) for purifying a material comprising an assembly (30) of crucibles (32, 36, 38; 132). Each crucible comprises a chamber intended to contain the material in the molten state and a discharge conduit fo...  
WO/2013/056457A1
Disclosed is a high-powder vacuum refining furnace which can be used for the purification of the multicomponent alloys. The evaporator coil laminates are covered by a refining furnace graphite insulation screen wherein a number of throug...  
WO/2013/053143A1
A device for processing aluminum and aluminum alloy fusant is provided with an aluminum melting furnace (1), an exchange chamber A (2), and an exchange chamber B (3) communicating with one another. A rotation means (8) with a graphite ro...  
WO/2013/044372A1
An auto-adjusting device is provided for a binding system of a metallurgical furnace. The auto-adjusting device comprises a gauge or sensor that constantly or intermittently measures one of either the furnace binding forces or the pressu...  
WO/2013/047104A1
High-purity lanthanum characterized in that the purity, in terms of the purity of the lanthanum excluding any rare-earth elements and any gas components, is 5 N or higher and the number of α-ray counts is 0.001 cph/cm2 or less; and a pr...  
WO/2013/029896A1
A radiation source for generating EUV from a stream of molten metal fuel droplets by LPP (Laser Produced Plasma) or (Dual Laser Plasma) has a fuel droplet generator arranged to provide a stream of droplets of fuel and at least one laser ...  
WO/2013/029092A1
A lance (10), for conducting a pyrometallurgical operation by top submerged lancing (TSL) injection, wherein the lance (10) has at least an inner pipe (12) and outer pipe (14) which are substantially concentric. The lower outlet of the i...  
WO/2013/027648A1
The present invention is a method for manufacturing a titanium ingot (30), the method being characterized by comprising: a step of melting a titanium alloy for a predetermined time by cold crucible induction melting (CCIM); a step of sup...  
WO/2013/020339A1
Provided is a method for purifying high-purity aluminium by directional solidification, comprising the steps of: selecting an aluminium raw material with a purity of from 4N to 5N, heating same to a temperature of 670°C to 730°C, stand...  
WO/2013/011100A1
The invention relates to a process and a device for bringing two immiscible liquids into contact, without mixing and at high temperature, with heating and brazing by induction. In particular, the invention relates to a process and a devi...  
WO/2013/005349A1
The present invention addresses the problem of providing: high-purity yttrium characterized by having a purity, in terms of the purity of the yttrium from which the rare-earth elements and gas components have been excluded, of 5 N or hig...  
WO/2013/003041A2
A method of alloying an iron majority compound with an oxide is provided. The method may include: heating the iron majority compound to a molten state; adding an oxide containing manganese to the molten iron majority compound; adding sla...  
WO/2013/001661A1
High-purity erbium having: a purity of at least 5N, excluding rare-earth elements and gas components; no more than 1 wt ppm each of Al, Fe, Cu, and Ta; no more than 10 wt ppm of W; no more than 150 wt ppm of carbon; no more than 1 wt ppm...  
WO/2012/169760A3
The present invention concerns a production method for tin from which low-alpha radiation is emitted by using vacuum refining, the method comprising the steps of: preparing a tin starting material that emits a large amount of alpha radia...  
WO/2012/169760A2
The present invention concerns a production method for tin from which low-alpha radiation is emitted by using vacuum refining, the method comprising the steps of: preparing a tin starting material that emits a large amount of alpha radia...  
WO/2012/164152A1
The invention is related to an arc melting and tilt casting apparatus (1) having a casing (13) provided with a vacuum chamber (12 ) for housing a hearth having a melting trough (7) and pouring means (7'), arc-melting electrode means (4, ...  
WO/2012/149551A2
A method and an apparatus for charging a particulate, for example lime, with a carrier gas, for example oxygen, through a lance into a metallurgical vessel or furnace. The apparatus comprises a metallurgical lance having an inner barrel ...  
WO/2012/149551A3
A method and an apparatus for charging a particulate, for example lime, with a carrier gas, for example oxygen, through a lance into a metallurgical vessel or furnace. The apparatus comprises a metallurgical lance having an inner barrel ...  
WO/2012/144314A1
Provided is a molten metal filtration device capable of reducing the remaining amount of molten metal, and further capable of suppressing oxidization of molten metal during a filtration process. A molten metal filtration device (1) is ch...  
WO/2012/140951A1
Provided is a method in which, when discarded batteries such as lithium-ion batteries are treated by a dry process, slag having a reduced viscosity is obtained to heighten the recovery of valuable metals. The method for recovering valuab...  
WO/2012/139484A1
A tantalum-material multilevel distillation crucible; the distillation crucible comprises a crucible body (1), an insulation plate (2), and a receiving hood (3); the insulation plate (2) is sheathed in the upper part of the crucible body...  
WO/2012/138456A1
Certain embodiments of a melting and casting apparatus comprising includes a melting hearth; a refining hearth fluidly communicating with the melting hearth; a receiving receptacle fluidly communicating with the refining hearth, the rece...  
WO/2012/126274A2
A device and method for removing impurities in an aluminum melt. The device comprises an upper furnace body, a lower furnace body, an intermediate partition plate, a crucible, a heating element and a charging opening. The intermediate pa...  
WO/2012/126274A3
A device and method for removing impurities in an aluminum melt. The device comprises an upper furnace body, a lower furnace body, an intermediate partition plate, a crucible, a heating element and a charging opening. The intermediate pa...  
WO/2012/124565A1
Provided is a method in which predetermined metals of platinum group metals existing in a copper phase are unevenly distributed in the copper phase. To increase the ratio of rhodium distributed in a molten copper phase, additional copper...  
WO/2012/121353A1
A rare earth metal recovery apparatus and a rare earth metal recovery method, each of which can recover a rare earth metal from a rare earth magnet and enables the extraction of the rare earth metal from the rare earth magnet with molten...  
WO/2012/115272A1
[Problem] To make it possible to efficiently produce an ingot, by efficiently cooling an ingot that is removed from a mold built into a melting furnace for smelting metal, in the production of active metal using the melting furnace, whic...  
WO/2012/110717A1
The invention relates to a manufacturing process that makes it possible to obtain an unwrought semi-finished product having at mid-thickness a density of micropores having a size greater than 90 µm of less than 50% and preferably of les...  
WO/2012/108522A1
Provided is a method for recovering PGM from a material to be processed that contains PGM. Specifically provided is a method for recovering PGM from a material to be processed that contains PGM, which comprises: a reduction smelting step...  

Matches 101 - 150 out of 10,402