| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 075100140 | Electrical induction | 29 |
| 20090120236 | PRECIOUS METAL RECOVERY FROM THE ANODE SLIME AND GRANULATED MATERIALS BY OPTIMUM INDUCTION SMELTING - The present application relates to a process for recovering precious metals from anode slime or granulated material through the use of an inductive system for the melting that uses an induction source and a furnace with a tilting system where the load or material to be melted is placed. The present invention further relates to the product recovered via such process. | 05-14-2009 |
| 20090266200 | Method for Reducing Metal Oxide Slags or Glasses and/or for Degassing Mineral Melts, and Device for Carrying Out Said Method - In a method for reducing metal-oxidic slags or glasses and/or degassing mineral melts, solid particles and/or melts are charged onto an at least partially inductively heated bed or column containing lumpy coke, and the reduced and/or degassed melt running off is collected. The device for reducing metal-oxidic slags or glasses and/or degassing mineral melts, which includes a charging opening ( | 10-29-2009 |
| 20100031771 | METHOD FOR REDUCING OXIDIC SLAGS AND DUSTS AND INDUCTIVELY HEATABLE FURNANCE FOR CARRYING OUT THIS METHOD - In a method for reducing oxidic slags and dusts possibly loaded with organics, using an inductively heatable coke bed extending in the axial direction and having a temperature gradient, reaction gas is sucked off in an axial region of the coke bed between two induction bodies and the metal regulus as well as the slag melt are tapped on the lower end of the coke bed. An inductively heatable shaft furnace chargeable with a lumpy coke bed, for the reduction of metallic slags possibly loaded with organics and made of an electrically insulating refractory material, in which a temperature gradient is adjustable, including at least one cooled induction body arranged on the head side, comprises a suction connection in an axial region in which the prevailing temperature is above the condensation point of the noxious substances to be removed and which is located below the cooled induction body arranged on the head side, wherein an opening for tapping the metal regulus and the slag melt is provided on the lower end of the furnace. | 02-11-2010 |
| 20100242675 | MODIFIED INDUCTION FURNACE AND PROCESS FOR REMOVING ZINC-CONTAINING METALLURGICAL WASTE, WITH RECOVERY OF THE METALS THEREFROM - The present invention is based on a novel electric induction furnace design that enables the removal of zinc-containing filter dust (FD) originating from the production of steel (alloy or non-alloy) and the production of cast iron with galvanised steel scrap, using a novel process based on the carbothermal reduction of the metal oxides present in the FD, performed at the temperature at which the materials are melted inside the electric induction furnace. The electric induction furnace of the invention incorporates an electric arc or plasma beam generator to melt all the inorganic non-metallic material. The incorporation of this generator also enables the use of large volumes of molten slag. | 09-30-2010 |
| 20100326237 | COMPOSITION OF MATTER TAILORING: SYSTEM I - The present invention relates to new compositions of matter, particularly metals and alloys, and methods of making such compositions. The new compositions of matter exhibit long-range ordering and unique electronic character. | 12-30-2010 |
| 20110179907 | METHOD FOR PROCESSING SOLID OR MOLTEN MATERIALS - In a method for processing and/or reducing solid or molten materials and/or pyrophoric materials, in particular shredder light fractions, the solid or molten materials are charged onto an at least partially inductively heated graphite body, wherein reducing agents different from the carbon of the graphite are introduced, the flowing-off reduced and/or degassed melt is collected, wherein the reducing agents are introduced together with the solid or molten charging materials, and, as said reducing agents, natural gas, hydrocarbons, hydrogen, carbon monoxide and/or ammonia are introduced along with water vapor, oxygen, carbon dioxide and/or halogens or hydrogen halides. ( | 07-28-2011 |
| 20110192254 | INDUCTION FURNACE FOR MELTING OF METALS, LINING FOR AN INDUCTION FURNACE AND METHOD FOR PRODUCTION OF SUCH LINING. - The present invention relates to an induction furnace for melting of metals that do not connect inductively in solid state. The induction furnace has a lining comprising a mixture of graphite and silicon carbide and has an electric conductivity higher than the electrical conductivity of the metal to be melted when metal is in solid state, but lower than the electrical conductivity of the metal to be melted when the metal is in molten state. The invention further relates to a lining for induction furnace and to a method for producing such lining. | 08-11-2011 |
| 20110197707 | Method for reducing oxidic slags and dusts using inductively heated furnace - A method for reducing oxidic slags and dusts possibly loaded with organics uses an inductively heatable coke bed extending in the axial direction and having a temperature gradient. Reaction gas is sucked off in an axial region of the coke bed between two induction bodies and metal regulus and slag melt are tapped on the lower end. An inductively heatable shaft furnace chargeable with a lumpy coke bed for the reduction of metallic slags is made of an electrically insulating refractory material, has an adjustable temperature gradient includes at least one cooled induction body on the head side, a suction connection in an axial region where the prevailing temperature exceeds the condensation point of the substances to be removed, located below the cooled induction body on the head side, and an opening for tapping metal regulus and slag melt is provided on the lower end of the furnace. | 08-18-2011 |
| 20120167715 | METHOD FOR PRODUCING ALLOY BLANKS - In order to provide a molten metal in a melting furnace with at least one alloy component or to increase the portion of the latter in the molten metal, a blank mixture has an alloy element containing the alloy component or being made of the latter, from water and a binding agent, and the blank mixture is processed into an alloy blank that can be placed in the melting furnace. At least as much water is added so that the blank mixture can be poured, and at least as much binding agent is added so that the alloy blank has a strength of at least 4/Nmm | 07-05-2012 |
| 20130340568 | PRODUCTION OF COPPER VIA LOOPING OXIDATION PROCESS - Copper is produced by a looping oxidizing process wherein oxidation of copper sulfide concentrate to molten blister copper by conversion with copper oxides (and optionally oxygen from air) in a one step, molten bath operation to produce molten blister copper, iron oxide slag, and rich SO | 12-26-2013 |
| 20140083250 | CRUCIBLE AND DUAL FREQUENCY CONTROL METHOD FOR SEMI-LIQUID METAL PROCESSING - A semi-liquid metal processing apparatus and method are presented in which a semi-liquid metal and/or semi-solid metal is introduced into a crucible and his electromagnetically stirred at a first frequency while cooling, and thereafter sidewalls of a metal charge formed of the semi-liquid metal and/or semi-solid metal are partially melted prior to tilting the crucible for removal of the metal charge. | 03-27-2014 |
| 20140083251 | METHOD FOR DESULFURIZING HOT METAL - In a method for desulfurizing hot metal by analyzing S concentration of a sample taken out from the hot metal, the S concentration is analyzed rapidly and precisely by a method comprising a high frequency induction heating step of oxidizing the sample under a high frequency induction heating in a pure oxygen atmosphere to convert S in the hot metal to SO | 03-27-2014 |
| 20160002749 | METHOD FOR MANUFACTURING HIGH PURITY MANGANESE AND HIGH PURITY MANGANESE - The present invention relates to a method for manufacturing a high purity Mn, the method comprising: placing a flake-like electrolytic Mn raw material in a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature of 1240 to 1400° C. under an inert atmosphere of 500 Torr or less; then adding calcium in a range between 0.5 and 2.0% of the weight of Mn to perform deoxidation and desulfurization; casting the resultant in an iron mold after the completion of the deoxidation and desulfurization to manufacture an ingot; then placing the Mn ingot into a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature, which is adjusted to 1200 to 1450° C. and maintained for 10 to 60 minutes, under an inert atmosphere of 200 Torr or less; casting the resultant in an iron mold to manufacture an ingot; then placing the metal Mn ingot in an alumina crucible; reducing pressure to 0.01 Torr with a vacuum pump; and then heating to develop a sublimation and distillation reaction. Provided is a method for manufacturing a high purity metal Mn from a commercially available electrolytic Mn. In particular, an object is to obtain a high purity metal Mn in which the amount of impurities such as B, Mg, Al and Si is small. | 01-07-2016 |
| 075100150 | Producing or treating Iron(Fe) or Iron alloy | 6 |
| 20120055284 | PROCESS FOR PRODUCING SEMI-SOLIDIFIED SLURRY OF IRON ALLOY - A process for producing a semi-solidified slurry of an iron alloy including the steps of pouring a melt of an iron alloy into a semi-solidified slurry producing vessel | 03-08-2012 |
| 20120174709 | Manufacturing Method of Ferromolybdenum From Molybdenite - Provided is a manufacturing method of ferromolybdenum from molybdenite concentrate, and more particularly, a manufacturing method of ferromolybdenum with copper content of 0.5% or less from molybdenite with high copper content without carrying out a separate copper removing process by putting molybdenite, aluminum metal and iron metal, in a heating furnace and reacting them at high temperature to manufacture the ferro molybdenum at the lower portion thereof, forming a slag using aluminum sulfide and iron sulfide as the main components at the upper portion thereof, and putting most of the copper (80 to 95%) existing in the molybdenite in a slag layer. The exemplary embodiment can shorten a process as compared to a metallothermic reduction (Thermit) method of the related art and reduce the consumption of a reducing agent, i.e., aluminum. | 07-12-2012 |
| 20120192677 | Method and apparatus for making liquid iron and steel - A carbonaceous-based metallizing method and apparatus wherein a metallic oxide is converted into a carbon-containing, metallized intermediate that is melted in an induction channel furnace to produce liquid metal from said metallic oxide. In the application of iron ore in the form of fines or concentrate, using low-cost coal will greatly reduce capital and operating costs by virtue of eliminating agglomeration of ore, cokemaking, and blast furnace operation. The liquid iron so produced is efficiently converted into steel in a steelmaking furnace such as a basic oxygen furnace (BOF), especially when it is physically integrated to the induction channel furnace wherein the liquid iron is directly poured into the integrated BOF by the induction channel furnace, producing low-cost steel, little heat loss, and minimum emissions. | 08-02-2012 |
| 20130213184 | Process For Making Low and Specified Hardenability Structural Steel - The invention refers to metallurgy, in particular to making low (LH) and specified (SH) hardenability steels in electric arc, induction furnaces or oxygen converters.
| 08-22-2013 |
| 20140096643 | MOLTEN STEEL DESULFURIZATION METHOD, MOLTEN STEEL SECONDARY REFINING METHOD, AND MOLTEN STEEL MANUFACTURING METHOD - There are provided a method for desulfurizing molten steel, characterized in that a sample taken out from molten steel after the tapping from a converter or during the secondary refining is analyzed rapidly in a high accuracy by a method comprising a high frequency induction heating step wherein the sample is combusted and oxidized under the high frequency induction heating in a pure oxygen atmosphere to convert S in the sample into SO | 04-10-2014 |
| 20160376685 | ALLOY MELTING AND REFINING METHOD - A method of melting and refining an alloy comprises vacuum induction melting starting materials to provide a vacuum induction melted alloy. At least a portion of the vacuum induction melted alloy is electroslag remelted to provide an electroslag remelted alloy. At least a portion of the vacuum arc remelted alloy is vacuum arc remelted to provide a singly vacuum arc remelted alloy. At least a portion of the singly vacuum arc remelted alloy is vacuum arc remelted to provide a doubly vacuum arc remelted alloy. In various embodiments, a composition of the vacuum induction melted alloy comprises primarily one of vanadium, chromium, manganese, iron, cobalt, nickel, copper, niobium, molybdenum, technetium, ruthenium, rhodium, palladium, silver, tantalum, tungsten, rhenium, osmium, iridium, platinum, and gold. | 12-29-2016 |
| 075100180 | Producing or treating Aluminum(Al), Beryllium(Be), Cobalt(Co), Chromium(Cr), Magnesium(Mg), Nickel(Ni), Titanium(Ti), or alloy thereof | 10 |
| 20090095127 | PROCESS AND SYSTEM FOR MATERIAL RECLAMATION AND RECYCLING - A system and process for reclaiming nickel and cadmium from a feed source such as Ni—Cd batteries. The feed source is shredded to produce feed particles, screened to size the particles, magnetically separated to remove non-metallic materials, and induction heated to generate nickel and cadmium products. | 04-16-2009 |
| 20090199679 | Carbothermic Processes - A carbothermic process for producing an aluminium carbide containing mass by injecting carbon and alumina into molten aluminium superheated above 1400° C. The carbon reacts with molten aluminium to produce an aluminium carbide and alumina mass. The mass can be heated in the range of 1700° C. to 2000° C. to produce aluminium metal and carbon monoxide. | 08-13-2009 |
| 20100064850 | CARBOTHERMIC PROCESSES - A mass of solid aluminium carbide containing product is produced by injecting particulate alumina into a bath (30) of molten aluminium metal; and injecting carbonaceous material, consisting of, containing or yielding carbon, into the bath (30). The bath (30) of molten aluminium metal is maintained at a superheated temperature to heat and react carbon with molten aluminium to produce solid aluminium carbide which mixes with alumina to form a mass (36) containing entrapped gas and entrapped molten aluminium metal and having a bulk or apparent density less than aluminium. The mass is allowed to accumulate as a mass of solid aluminium carbide containing product on the upper surface of the bath. The carbonaceous material is a hydrocarbon material or is produced by pyrolysis, decomposition or cracking of a hydrocarbon material. | 03-18-2010 |
| 20100275727 | GETTER MATERIAL AND EVAPORABLE GETTER DEVICE USING THE SAME, AND ELECTRON TUBE - The present invention provides a getter material configured by a pressed powder mixture comprising Ba—Al alloy powder and Ni powder, wherein when the pressed powder mixture is heated in a vacuum atmosphere or an inert gas atmosphere, a temperature at which an exothermic reaction starts is ranging from 750° C. to 900° C. According to this getter material, since the temperature at which the pressed powder mixture starts the exothermic reaction is set within a range from 750° C. to 900° C., there can be provided a getter material and an evaporation type getter device capable of suitably controlling an evaporation amount of getter components under a stable condition, and is excellent in responsiveness because a time ranging from a starting time of heating the getter material to a starting time of evaporation of the getter components can be shortened. In addition, the metal container to be filled with the getter material is free from deformation and melting, and a heat-evaporation process time of the getter material can be shortened, so that there can be provided the evaporation type getter device excellent in responsiveness because a time required for the electron tube to attain to a predetermined vacuum degree can be also shortened. | 11-04-2010 |
| 20120024108 | PROCESS AND SYSTEM FOR MATERIAL RECLAMATION AND RECYCLING - A system and process for reclaiming nickel and cadmium from a feed source such as Ni—Cd batteries. The feed source is shredded to produce feed particles, screened to size the particles, magnetically separated to remove non-metallic materials, and induction heated to generate nickel and cadmium products. | 02-02-2012 |
| 20130269480 | Method for Making a Strong Aluminum Alloy - A method is used to make an aluminum alloy with excellent tensile strength, low density and excellent radiation. The method includes the steps of providing a base material, adding 0.06 wt % to 0.30 wt % of zirconium and 0.06 wt % to 0.30 wt % of vanadium to the base material, and melting the basic material with the zirconium and vanadium to provide an aluminum alloy. The base material includes 92.55 wt % to 97.38 wt % of aluminum, 0.9 wt % to 1.8 wt % of silicon, less than 0.5 wt % of iron, 0.6 wt % to 1.2 wt % of copper, 0.4 wt % to 1.1 wt % of manganese, 0.6 wt % to 1.4 wt % of magnesium, less than 0.40 wt % of chromium, less than 0.25 wt % of zinc and less than 0.20 wt % of titanium. | 10-17-2013 |
| 20140130637 | Method for Making a Strong Aluminum Alloy - A method is used to make an aluminum alloy with excellent tensile strength, low density and excellent radiation. The method includes the steps of providing a base material, adding 0.06 wt % to 0.30 wt % of zirconium and 0.06 wt % to 0.30 wt % of vanadium to the base material, and melting the basic material with the zirconium and vanadium to provide an aluminum alloy. The base material includes 92.55 wt % to 97.38 wt % of aluminum, 0.9 wt % to 1.8 wt % of silicon, less than 0.5 wt % of iron, 0.6 wt % to 1.2 wt % of copper, 0.4 wt % to 1.1 wt % of manganese, 0.6 wt % to 1.4 wt % of magnesium, less than 0.40 wt % of chromium, less than 0.25 wt % of zinc and less than 0.20 wt % of titanium. | 05-15-2014 |
| 20140251084 | METHODS AND SYSTEMS FOR REDUCING CHROMIUM CONTAINING RAW MATERIAL - A method for reducing a chromium containing material, comprising: combining the chromium containing material comprising chromium oxide with a carbonaceous reductant to form a chromium containing mixture; delivering the chromium containing mixture to a moving hearth furnace and reducing the chromium containing mixture to form a reduced chromium containing mixture; delivering the reduced chromium containing mixture to a smelting furnace; and separating the reduced chromium containing mixture into chromium metal and slag. The method also comprises agglomerating the chromium containing mixture in a granulator or the like. The chromium containing mixture has an average particle size of less than about 200 mesh (about 75 μm). | 09-11-2014 |
| 20150020646 | METHOD FOR MANUFACTURING TITANIUM INGOT - The present invention is a method for manufacturing a titanium ingot ( | 01-22-2015 |
| 20150322543 | APPARATUS AND METHOD FOR PRIMING A MOLTEN METAL FILTER - 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 coil (1-60 Hz) with its axis aligned in the direction of the net metal flow. The coil is positioned to enhance the heating of any metal frozen onto, or in the pores of the filter element. In one embodiment, the coil is positioned in order to generate Lorentz forces, which act to cause heated metal to impinge on the upper surface of the filter element, enhancing the priming action. Once a filter equipped with such a coil has been primed, it can be kept hot or reheated, and subsequently reused during several batch tapping sequences. | 11-12-2015 |
