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Patent Searching and Data


Matches 451 - 500 out of 10,948

Document Document Title
WO/2008/001034A1
A filter for molten metal, the filter comprising a perforated surface and the perforated surface retaining a filter media for contact with a molten metal passing in use across the perforated surface between perforations of the perforated...  
WO/2008/000341A1
Method for the purification of a molten metal, the molten metal having a specific density and comprising one or more foreign elements which are to be removed, the method comprises the steps of : (a) a cooling step wherein the molten meta...  
WO/2007/147962A2
Process for manufacturing an aluminium-based reflow block intended for producing an aluminium alloy for the aeronautical industry, in which: (i) scrap containing predominantly aluminium alloys used in the aeronautical industry is supplie...  
WO/2007/147587A1
The invention relates to a method for the separation of a dispersion of molten aluminium and solid inclusions formed from a melt of aluminium containing one or more foreign chemical elements. The invention is characterised in that molten...  
WO/2007/138793A1
A lance pipe, degasification equipment, container with degasification equipment and watershoot with degasification equipment structured so as to attain efficient degasification of molten metal.There is provided lance pipe (1) for blowing...  
WO2006113847A8
A method to grain refine and deoxidize a precious metal alloy or a master alloy includes the steps of (a) forming a precursor melt (10) consisting essentially of constituents of the precious metal alloy or master alloy and inevitable imp...  
WO/2007/135838A1
A process for aluminum alloy plate production which has excellent productivity and in which the control of surface state and flatness is easy and plate thickness precision is improved; and an aluminum alloy plate. The following steps are...  
WO/2004/033760A3
An electrochemical cell for electrochemical reduction of a metal oxide, such as titania, in a solid state, is disclosed. The cell includes (a) a molten electrolyte (18), (b) a cathode (20) formed at least in part from the metal oxide in ...  
WO/2007/082030A3
A method of using an induction furnace to process iron ore into an iron product such as pig iron in which iron ore is the main or exclusive source of iron fed into the induction furnace. Preferably the iron ore is concentrated and melted...  
WO/2007/048240A3
The present invention describes an apparatus and a process for in-line substantially continuous degassing of aluminium and/or aluminium alloys, in absence of chlorine and through the injection of at least one metal halide salt that inclu...  
WO/2007/127482A2
Aspects of the invention include methods for producing purified semiconductor or metallic materials such as silicon or titanium. In one embodiment, the methods include admixing a particulate composition of a material, for instance, a met...  
WO/2007/116740A1
An arc start material for electroslag redissolution having an aggregate of curled cut metal pieces of super alloy. In an electroslag redissolution arc starting method, electroslag redissolution is started by generating arc between a prim...  
WO/2007/115275A1
The present invention relates to a ceramic filter suitable for molten metal filtration comprising a ceramic powder bonded by a network of graphitized carbon, wherein the ceramic filter is coated by a glaze.  
WO/2007/113209A2
The invention relates to a method for removing small quantities of water and other possible components from alkali metal amalgam. Said alkali metal amalgam is brought into contact with an element which is not soluble in mercury and the r...  
WO/2007/015956A3
A casting system includes a filtration assembly including a filter vessel housing spaced filters pre-heated to a temperature approximating a pouring temperature of molten material to be filtered to prevent breakage of the filter due to t...  
WO/2007/106094A1
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.  
WO/2007/096411A2
Metallurgical vessels such as troughs or converters, must be inspected from time to time by personal for maintenance purposes, in particular for equipping with fire-resistant material. In order to make inspection possible, the metallurgi...  
WO/2007/092219A1
A method for refining non-ferrous metal wherein a stream of oxygen containing gas is provided from a lance (10) into the headspace (3) of a refining vessel (1) for passage to the molten metal bath (2) within the refining vessel, and a fl...  
WO/2007/068025A3
Disclosed is a method for reprocessing metallurgical dust or grinding dust, especially converter dust and arc furnace dust obtained from steel or high-grade steel production. In said method, the dust is burned and slagged with oxygen in ...  
WO/2007/088937A1
A metal filtering apparatus that without complex structuring, permits uniform easy cleaning of multiple ceramic tubes. A pair of side boards (10, 11) are provided in unit container (2). Multiple lengthy ceramic tubes (13) are fitted betw...  
WO/2006/113847A3
A method to grain refine and deoxidize a precious metal alloy or a master alloy includes the steps of (a) forming a precursor melt (10) consisting essentially of constituents of the precious metal alloy or master alloy and inevitable imp...  
WO/2007/082030A2
A method of using an induction furnace to process iron ore into an iron product such as pig iron in which iron ore is the main or exclusive source of iron fed into the induction furnace. Preferably the iron ore is concentrated and melted...  
WO2005118891A8
Salt composition for protecting, refining and/or recycling molten magnesium or magnesium alloys, whereby the salt composition consists of halogenides of strontium, potassium, cesium or mixtures thereof.  
WO/2007/073823A1
A casting installation, in particular for aluminium or aluminium alloys, comprises a number of ladles (2) which can be filled with molten metal. These ladles (2) are filled and transported from a filling station to at least one handling ...  
WO2007021207A9
Snorkels of recirculating vacuum-degasser of steel installed in the lower section of the vacuum chamber of the degasser unit, one of which is the metal-drawing snorkel equipped with pipe supplying inert gas to ladle and the other is a re...  
WO/2007/072898A1
A pair of refractory plates (11,12) are disposed within a unit container. Multiple lengthy ceramic tubes (14) are fitted between the pair of refractory plates (11,12). One end (14a), on the side of melt outlet aperture (9), of each of th...  
WO/2007/068025A2
Disclosed is a method for reprocessing metallurgical dust or grinding dust, especially converter dust and arc furnace dust obtained from steel or high-grade steel production. In said method, the dust is burned and slagged with oxygen in ...  
WO/2006/119234A3
A method for producing an aluminum foam product wherein reactive gas producing particles are introduced into an aluminum alloy melt under controlled conditions and subjected to agitation to induce the production of foam-stabilizing by-pr...  
WO/2005/118891A3
Salt composition for protecting, refining and/or recycling molten magnesium or magnesium alloys, whereby the salt composition consists of halogenides of strontium, potassium, cesium or mixtures thereof.  
WO/2007/053919A1
The combined leaching process comprises a dissolution process of the soluble constituents of an ore by means of the combined execution of two or more serial leaching phases with the first phase comprising atmospheric leaching (AL) and th...  
WO/2007/054957A1
An improved lance for LD steelmaking comprises a plurality of peripheral supersonic nozzles provided with a single inlet high pressure gas supply line and a central nozzle. The central nozzle is a subsonic nozzle provided with a separate...  
WO/2007/048240A2
The present invention describes an apparatus and a process for in-line substantially continuous degassing of aluminium and/or aluminium alloys, in absence of chlorine and through the injection of at least one metal halide salt that inclu...  
WO/2007/036094A1
The present invention concerns a high vacuum in-situ refining method for high-purity and superhigh-purity materials and the apparatus thereof, characterised in heating the upper part and lower part of crucible separately using double-hea...  
WO/2007/029416A1
A continuous melting crucible furnace which comprises a crucible for melting (71) in which a material to be melted is to be placed and a heating burner (3) for heating the crucible for melting (71) to melt the material (a). The crucible ...  
WO/2007/028556A1
The present invention relates to a ceramic filter device for molten metal filtration comprising a major ceramic phase and a minor carbon phase bonded by phosphate bond, a method for producing such filter devices, and the use of such filt...  
WO/2007/027466A2
A method of making an alloy of niobium that includes: A) forming a blend comprising niobium powder and a powder of a metal selected from the group consisting of yttrium, aluminum, hafnium, titanium, zirconium, thorium, lanthanum and ceri...  
WO/2007/021207A1
Snorkels of recirculating vacuum-degasser of steel installed in the lower section of the vacuum chamber of the degasser unit, one of which is the metal-drawing snorkel equipped with pipe supplying inert gas to ladle and the other is a re...  
WO/2007/018241A1
An electromagnetic agitator includes a vessel (2) for containing a conductive material in a molten state such as a molten metal (1), an axial direction shift magnetic field generation coil (3) for generating magnetic lines of force (15) ...  
WO/2007/014422A1
A process for electrochemically reducing a titanium oxide in a solid state in an electrolytic cell that includes an anode, a cathode, a molten CaCl2-based electrolyte containing CaO, and titanium oxide feed material in contact with the m...  
WO/2007/015956A2
A casting system includes a filtration assembly including a filter vessel housing spaced filters pre-heated to a temperature approximating a pouring temperature of molten material to be filtered to prevent breakage of the filter due to t...  
WO/2007/012231A1
The present invention concerns a multistage-electromagnetic purification method of molten metal, which relates to the field of casting technique. The method of present invention employs a multistage separator instead of a single-stage on...  
WO/2007/013433A1
A method of recovering tin in high efficiency through separation of excess copper eluted into a lead-free solder tank. There is provided a method comprising adding element (X) capable of forming a (CuX)6Sn5 compound with copper and tin t...  
WO/2007/012795A1
An extraction device is provided for use when extracting a ceramic foam filter, as used for example in the production and processing of aluminium. The extraction device includes an anchor device (1) having an anchor body (2) suitable for...  
WO/2006/037120A3
Methods and apparatuses for separating metal values, such as nickel and nickel compounds, from mineral ores, including lateritic ores are disclosed. The method includes providing a mixture of particles (312) (e.g., crushed and sized ore)...  
WO/2007/008828A2
An investment casting system for producing a cast article (10) from a reactive metal that is free of an undesirable surface layer (20) generally associated with the reaction between the molten metal (40) and the casting mold (30). In one...  
WO/2007/007498A1
[PROBLEMS] To provide: a process for producing high-purity hafnium from a hafnium sponge reduced in zirconium content as a raw material, the high-purity hafnium being reduced in the contents of Fe, Cr, and Ni impurities, contents of Ca, ...  
WO2006052165A9
The invention can be used for the cement, chemical and metallurgical industries. The inventive plasma reactor-separator for simultaneously producing the melt of high-melting metal and non-metal materials and fumes comprises a longitudina...  
WO/2006/129262A1
A method of recovering particulate material from a slurry includes passing ultrasonic waves through the slurry, and separating by gravimetric or magnetic techniques at least a portion of the particulate material from the slurry. The inve...  
WO/2006/119234A2
A method for producing an aluminum foam product wherein reactive gas producing particles are introduced into an aluminum alloy melt under controlled conditions and subjected to agitation to induce the production of foam-stabilizing by-pr...  
WO2006052165B1
The invention can be used for the cement, chemical and metallurgical industries. The inventive plasma reactor-separator for simultaneously producing the melt of high-melting metal and non-metal materials and fumes comprises a longitudina...  

Matches 451 - 500 out of 10,948