Patents
Patents for C22B 9 - General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals (7,765)
10/1999
10/26/1999US5972074 Decarbonizing misch metal or alloy by mixing with titanium, zirconium or oxides and melting in inert atmosphere to form carbides of titanium or zirconium
10/26/1999US5972065 Purification of tantalum by plasma arc melting
10/20/1999EP0786015B1 Molten metal treatment
10/19/1999US5968223 Reciprocally rotating a disperser projected into melt while electrically heating an element inserted longitudinally into baffle interior so that melt flows beneath suspended baffle to contact both its sides prior to being discharged
10/14/1999DE19815457A1 Electron beam furnace for melting lumpy materials used for production of high-purity titanium
10/13/1999EP0862780B1 Method of utilizing contaminated metal parts
10/13/1999EP0641393B1 Method for controlling the fuel/air ratio of a burner
10/12/1999US5964920 Method and apparatus for reduction of metal particulates
10/12/1999CA2130798C Recovery of non-ferrous metals from dross
10/06/1999EP0947587A1 Blow lance and process for its cooling
10/06/1999EP0946769A1 Dross press with rocking press head
10/06/1999EP0946768A1 Molten metal pump and method of using
10/06/1999EP0946767A1 Recovery of iron products from waste material streams
10/06/1999EP0946760A1 Method and device for producing silicon-rich foundry iron
10/06/1999EP0946457A1 Improved refractory compositions suitable for use in fluid bed chlorinators
10/05/1999US5961918 Triangular cell metal filters
10/05/1999US5961689 This invention relates generally to heating and/or melting a charge such as aluminum.
09/1999
09/28/1999US5958105 Process for preparing metallic beryllium pebbles
09/22/1999EP0943020A1 Apparatus and method for processing a sublimed material
09/16/1999WO1999046414A2 Process for the desulphurization of blister copper
09/16/1999WO1999046412A1 Blasting lance with a gas/liquid mixing chamber and a method for the expansion cooling thereof
09/15/1999EP0942247A1 Protective atmosphere heating
09/15/1999CN1228818A Apparatus and method for processing sublimed material
09/11/1999CA2231717A1 Use of gaseous mixtures containing an inert gas and an oxygen containing gas in desulphurization of blister copper during anode refining
09/08/1999CN1228033A High capacity filter
09/08/1999CN1227910A 保护性气氛加热方法 Protective atmosphere heating method
09/07/1999US5948312 Skimmer system
09/07/1999US5948138 Method and apparatus for stirring of molten metal using electromagnetic field
09/07/1999CA2148905C Filtration of molten material
09/07/1999CA2014999C Gas injector
08/1999
08/31/1999CA2078904C Wall electrode for direct current electric metallurgical furnace
08/26/1999DE19806863A1 Metal melting process especially for melting titanium and its alloys in the production of dental castings
08/19/1999WO1999041418A1 Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc
08/11/1999EP0935006A1 Melting of reactive metallic materials
08/10/1999US5935887 Sintered alumina aggregate particles with an inorganic oxide binder comprising aluminum, silicon, boron and magnesium; use for filtering molten metals
08/10/1999US5935293 Fast quench reactor method
08/03/1999CA2044805C Vacuum-suction degassing apparatus
07/1999
07/29/1999WO1999037824A1 Recovery of group iii element component from group iii-v waste materials
07/28/1999CN2330661Y Portable multifunctional liquid-state alloy treatment apparatus
07/20/1999US5925199 Process for producing a thixocast semi-molten material
07/20/1999CA2128802C Vortex dispersing nozzle for liquified cryogenic inert gases used in blanketing of molten metals exposed to ambient air
07/14/1999CN2328671Y Aluminium all9y deaerator of suspending rotary blowing rotor
07/13/1999US5922273 Modular hearth arrangement for cold hearth refining
07/13/1999US5921311 Installation for eliminating impurities during casting of metals
07/08/1999WO1999034024A1 Injector for gas treatment of molten metals
07/06/1999US5919283 Method and apparatus for introducing metal chips into molten metal bath
07/01/1999WO1999032674A1 Method and device for separating nonmetallic inclusions from liquid metals using a spiral chute
07/01/1999WO1999032673A1 Process for treating a material containing metal and organic matter, including metal separation
06/1999
06/29/1999US5917115 Apparatus for and method of treating liquid metal
06/29/1999US5917114 Offgas recycling processes; cyclically regenerates one treatment flow path while the other treatment flow path is treating the offgas.
06/29/1999US5916084 Batch centrifuge for a mixture of solid and liquid and skim from molten aluminous metal
06/24/1999WO1999031282A1 Cold drawn wire and method for the manufacturing of such wire
06/23/1999EP0924305A1 Metallurgical reactor for treating of molten metal under reduced pressure
06/23/1999CN1043789C Improved rotor equipped with blade in rotary spray-nozzle apparatus
06/22/1999US5914979 Rotating-translational drive mechanism for positioning devices in a melter
06/22/1999CA2256249A1 Metallurgical reactor for reduced-pressure processing of liquid metal
06/16/1999EP0922374A1 Rotating-translational drive mechanism for positioning devices in a melter
06/16/1999CN2324159Y Graphite purifier for aluminium solution impurities removing
06/16/1999CN1043667C Copper converting
06/10/1999DE19756687C1 Method and apparatus for separating nonmetal inclusions from metal melts
06/10/1999DE19743695A1 Apparatus and method for melting and remelting of materials into blocks
06/09/1999EP0921201A1 Reduced pressure smelting furnace
06/09/1999EP0920947A2 Solder skimmer system
06/09/1999EP0920350A1 High capacity filter
06/09/1999CN1219208A Fluidized bed treatment of EAF dust
06/09/1999CN1219207A Metal containing compound reduction and melting process
06/03/1999WO1999027144A1 Operation method of furnace equipment for magnesium alloys
06/03/1999CA2311361A1 Operation method of furnace equipment for magnesium alloys
06/02/1999EP0919111A1 Method and apparatus for removing a molten material with a vacuum from a chamber
06/01/1999US5908488 Magnesium melting furnace and method for melting magnesium
06/01/1999CA2240446A1 Bromide salts as weightening agents for molten salts
05/1999
05/26/1999CN1217754A Reduced pressure smelting furnace
05/20/1999DE19852764A1 High purity manganese is produced by vacuum distilling molten crude manganese
05/19/1999EP0916431A1 Gas scavenging brick with helical gas channel
05/19/1999EP0916066A1 Rotary gas dispersion device for treating a liquid aluminium bath
05/19/1999EP0915993A1 Fluidized bed treatment of eaf dust
05/18/1999US5904894 Rotary inert gas dispersion apparatus for molten metal treatment
05/12/1999EP0915178A2 Sputtering target of highly purified titanium
05/12/1999EP0915177A1 Highly purified metal and sputtering target using the same
05/12/1999EP0915176A1 Wiring network and semiconductor package
05/06/1999WO1999022035A1 Condensation chamber and method of condensing metal
05/06/1999WO1999022034A1 Method and apparatus for removing liquid salts from liquid metal
05/06/1999DE19748389A1 Unit for blowing solids into metal melts in metallurgical plants
05/05/1999CN1215759A Apparatus for electrolysis deoxidation of solid electrolyte
04/1999
04/30/1999CA2252201A1 Method and composition for aluminum recycle using salt flux
04/29/1999WO1999020804A1 Method for dissolution of nitrogen-rich inclusions in titanium and titanium alloys
04/29/1999WO1999020582A1 System and method of producing pure elements from parent compounds
04/29/1999DE19747002A1 Three-chamber magnesium melting furnace
04/29/1999CA2306672A1 Method for dissolution of nitrogen-rich inclusions in titanium and titanium alloys
04/28/1999EP0879548B1 Electrode and cooling element for a metallurgical vessel
04/27/1999US5897683 Method and apparatus for holding molten metal
04/15/1999WO1999002287A8 Method of fluxless melting of magnesium
04/14/1999EP0908417A2 Vacuum degassing apparatus for molten glass
04/14/1999EP0907756A1 Processing of electroslag refined metal
04/07/1999CN2312943Y Purple-composition-brass liquid electroslag continuously refining apparatus
04/07/1999CN1042821C Silicon purifying method
04/06/1999US5891215 Molten metal degassing and filtering methods
04/06/1999CA2108240C Filter for metal hot melt and process for production thereof
03/1999
03/31/1999EP0904420A1 Metal containing compound reduction and melting process
03/30/1999US5888270 Copper converting
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