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Patent Searching and Data


Matches 101 - 150 out of 10,659

Document Document Title
WO/2014/184007A1
The invention relates to a method and a device for producing metallic semifinished products by remelting and/or remelt-alloying. This involves selectively melting the material (1) locally by means of high-energy, focused radiation (2) in...  
WO/2014/185971A2
A method of fluxing or degassing a molten metal residing as a bath in a furnace. The bath of molten metal includes a bath surface height and the method provides at least one rotating impeller in the molten metal bath to initiate a flow o...  
WO/2014/181833A1
A zinc production method comprises: a reaction step including a leaching step (101) of bringing electric arc furnace dust (1) containing zinc oxide or the like into contact with chlorine gas (8), thereby obtaining a zinc oxide component ...  
WO/2014/169322A1
A process for treating an ore containing at least one refractory mineral comprising a rare earth element, the process comprising the steps: (i) combining the ore with a solid flux to form a mixture; (ii) heating the mixture formed in ste...  
WO/2014/156942A1
Provided are: a process for manufacturing a maraging steel, said process being capable of further refining Ti-based inclusions and minimizing the size difference of Ti-based inclusions among the locations within a steel ingot; and a meth...  
WO/2014/148687A1
Disclosed are a refining method and refining device for titanium scraps and sponge titanium, whereby oxygen contained in a melt can be eliminated by supplying a deoxidising gas to the surface of the melt in order to refine the titanium s...  
WO/2014/129939A3
The invention relates to a method for processing lateritic (oxidised nickel) ore, containing nickel, cobalt and iron. The method for processing comprises preparing a ferronickel raw material (ferronickel bloom or a cast iron admixture...  
WO/2014/118397A1
The invention relates to a method for melting aluminum chips. The aim of said method is to reduce the initial investment which involves the initial acquisition of the existing equipment for said purposes, at the same time being able to w...  
WO/2014/115876A1
 The present invention addresses the issue of providing a method for recovering heavy rare earth elements from a subject to be processed that includes at least heavy rare earth elements and iron group elements, the method being able to...  
WO/2014/111334A2
The invention relates to a method for insulating covering of a metal melt, wherein a granulate comprising silicon-oxide is poured onto the surface of the metal melt. According to the invention, the granulate comprises kieselguhr. The inv...  
WO/2014/111334A3
The invention relates to a method for insulating covering of a metal melt, wherein a granulate comprising silicon-oxide is poured onto the surface of the metal melt. According to the invention, the granulate comprises kieselguhr. The inv...  
WO/2014/109363A1
A magnesium refining device comprising: a housing vessel which houses a sample including a magnesium compound; and a light focusing device which focuses sunlight so as to irradiate the housing vessel therewith, and heats the inside of th...  
WO/2014/104205A1
The present invention addresses the problem of providing a method for collecting a rare earth element from a material of interest containing at least the rare earth element and an iron-group element, which can be used as a simple recycle...  
WO/2014/104932A1
The invention relates to the field of foundry manufacture and can be used in foundry, preferably of refractory and chemically reactive metals. The melting of metal is carried out in two chambers in the absence of oxygen. The melting in t...  
WO/2014/105715A1
One disclosed embodiment is a concentrated solar thermal system for re-melting recycled or scrap metal. The system includes a solar receiver configured to receive concentrated solar flux reflected from one or many reflecting surfaces to ...  
WO/2014/099813A1
A method for desulfurizing a metal alloy comprises heating the metal alloy to a molten state. A gaseous desulfurizing compound is bubbled through the molten alloy to form a solid sulfur-containing waste phase and a molten reduced-sulfur ...  
WO/2014/082842A2
A spreading device (10) for the spreading of bulk material on a circular surface comprises a distribution plate (12) mounted about a central shaft (14); at least one radially extending slit (16) arranged in the distribution plate (12); a...  
WO/2014/082842A3
A spreading device (10) for the spreading of bulk material on a circular surface comprises a distribution plate (12) mounted about a central shaft (14); at least one radially extending slit (16) arranged in the distribution plate (12); a...  
WO/2014/075148A1
A heap of a material to be leached to recover a valuable metal from the material includes an electromagnetic heating system to generate heat in situ in the heap.  
WO/2014/069357A1
Provided is a bismuth characterized in that the bismuth emits 0.01 cph/cm2 or less of α rays. Also provided is a method for producing a low α-emitting bismuth, characterized in that a titanium cathode and a bismuth anode are introduced...  
WO/2014/062063A1
The publication relates to a method for melting solid metal, such as scrap aluminum, where the solid material is placed in a closed, insulated container (12) of a material having refractory qualities, the container (12) being provided wi...  
WO/2014/057541A1
Provided is a method, whereby rare earth elements can be easily separated at a high separation ratio from a mixture containing multiple kinds of rare earth elements, and a separation device for conducting the method. The method for separ...  
WO/2014/057922A1
Provided is a method whereby rare earth elements can be separated from a rare earth magnet in a simple manner with a high separation rate, and a separating device for carrying out said method. The rare earth element separation method acc...  
WO/2014/046593A1
A method for recovery of evaporable substances comprises melting (210) of a material comprising evaporable metals and/or evaporable metal compounds into a molten slag. The molten slag is agitated (212) by a submerged jet of hot gas. The ...  
WO/2014/030369A1
Provided is an alumina- or magnesia-reducing process in which a greenhouse effect gas or a substance harmful to the human body is not emitted and which can achieve an improved energy efficiency in comparison with the Hall-Héroult method...  
WO/2014/026419A1
A molten metal antioxidant biological reducing agent comprises polyethylene glycol oleate, a thermophilic enzyme, a lipase, ammonium dihydrogen phosphate, ethylene diamine tetramethylene phosphonate acid and phytoncid. The molten metal a...  
WO/2014/028161A1
A method for reducing impurities in magnesium comprises: combining a zirconium-containing material with a molten low-impurity magnesium including no more than 1.0 weight percent of total impurities in a vessel to provide a mixture; holdi...  
WO/2014/017206A1
Provided is a technology whereby an electron beam can be radiated precisely to a predetermined position with respect to a hearth situated in an electron beam smelting furnace or a molten metal pool formed in a casting mold. This method i...  
WO/2014/018750A1
A ceramic foam filter and method of making the filter is described. The filter comprises: a sintered reaction product of: 35-75 wt% aluminosilicate; 10-30 wt% colloidal silica; 0-2 wt% bentonite; and 0-35 wt% fused silica; wherein the ce...  
WO/2014/005560A1
A rotational device for refining metal melts has a cylindrical rotor (1) fastened to a hollow shaft (2), which rotor is formed from two parallel discs (3, 4) connected to radial partitions (5), and has a central void (6), which is open a...  
WO/2013/187348A1
Provided is a metal chrome fabrication method in which the chrome recovery yield can be increased and the iron content and P content of the metal chrome that is fabricated as a product can be reduced. This metal chrome fabrication method...  
WO/2013/185007A1
A method of improving the efficiency in delivery of a cryogenic liquid (10, 160) to the surface of a metal body in a furnace, the method comprising the steps of a) causing a flow of the liquid cryogen i) from a source of the liquid cryog...  
WO/2013/168214A1
The present invention addresses the problem of providing an aluminum refining apparatus that enables a reduction in refining time and an increase in yield. This aluminum refining apparatus (1) is provided with: a vessel (10) with a botto...  
WO/2013/168213A1
The present invention addresses the problem of providing an aluminum refining apparatus that enables a reduction in refining time and an increase in yield. This aluminum refining apparatus (1) is provided with: a vessel (10) with a botto...  
WO/2013/159201A1
A process for producing technetium-99m from a molybdenum-100 metal powder, comprising the steps of: (i) irradiating in a substantially oxygen-free environment, a hardened sintered target plate coated with a Mo-100 metal, with protons pro...  
WO/2013/160754A8
An apparatus and method are described for effectively priming a non-electrically conductive filter for removal of solid inclusions from liquid metal. In one embodiment, the ceramic filter media is surrounded by a low frequency induction ...  
WO/2013/161087A1
This invention is provided with: a molten metal heat retention device (100) having a first furnace wall (120) and a heater (180) capable of causing the molten metal to retain heat, the molten metal heat retention device (100) capable of ...  
WO/2013/160754A1
An apparatus and method are described for effectively priming a non-electrically conductive filter for removal of solid inclusions from liquid metal. In one embodiment, the ceramic filter media is surrounded by a low frequency induction ...  
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...  

Matches 101 - 150 out of 10,659