Patents
Patents for C22B 9 - General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals (7,765)
11/1994
11/01/1994CA1332789C Method of producing magnesium by the metallothermic reduction of magnesium oxide
10/1994
10/27/1994WO1994024320A1 Method for removing sulfur from superalloy articles to improve their oxidation resistance
10/27/1994WO1994024319A1 Method for removing sulfur from superalloy articles to improve their oxidation resistance
10/27/1994DE4335643C1 Method and apparatus for introducing gases into metal melts
10/26/1994CN2180649Y Rotary blower type machine for purifying molten aluminium
10/19/1994EP0620285A1 Injection equipment
10/19/1994EP0619766A1 Device and method for skull-melting depth measurement
10/12/1994CN1026175C Method for controlling well-distributed compositions when making steel ingot
09/1994
09/27/1994US5350440 Furnace with deflecting surface and method of charging metal solids
09/27/1994US5350438 Method and apparatus for removing plated metal from steel sheet scraps
09/27/1994US5350437 Method of manufacturing an alloy powder with hard particles dispersed therein
09/21/1994EP0615473A1 Method and device for removing one or more contaminations from a bulk material.
09/21/1994EP0425620B1 Process and device for smelting metals in cupola furnaces run without coke
09/21/1994CN1092472A Combined lining furnace electroslag remelting tech. and equipment
09/15/1994WO1994020643A1 Snorkel for a metallurgical recirculatory vacuum degassing system
09/13/1994US5346563 Heat treatment
09/13/1994US5346185 Vacuum-suction degassing apparatus
09/13/1994CA1331937C Thermite coatings
09/06/1994US5344510 Method for removing sulfur from superalloy articles to improve their oxidation resistance
09/06/1994US5344478 Tubes with discharge ends for delivery of liquids for covering metal melts
09/06/1994US5344123 Melting and filling device
08/1994
08/24/1994EP0611830A1 Improved gas dispersion apparatus for molten aluminum refining
08/23/1994US5340379 Stirring
08/18/1994WO1994018349A1 Method and apparatus for separating and removing liquid particles from molten metal
08/18/1994WO1994017935A1 Process for separating non-metallic inclusions from liquid metals and ceramic chamber for this purpose
08/18/1994CA2117778A1 Method of separation and removal of suspended liquid particles from molten metal and associated apparatus
08/09/1994US5336295 Passing melts through wettable porous media causes suspended liquid particles to settle or float for removal
08/09/1994US5336294 Removal of contaminants from molten metals
07/1994
07/27/1994EP0608098A1 Process for the recovery of nickel and/or cadmium and apparatus therefor
07/26/1994US5332197 Electroslag refining or titanium to achieve low nitrogen
07/21/1994WO1994016122A1 Method for refining molten metals and recovering metals from slags
07/20/1994CN1089529A Method for forming of seperated layer especially in metallurgy
07/12/1994US5328157 Method and an apparatus for sealing tuyeres in the surrounding refractory lining
07/07/1994WO1994014984A1 Vacuum installation, in particular for recycling metallurgy
07/05/1994US5325906 Direct processing of electroslag refined metal
07/05/1994CA2044534C Intermediate pressure electron beam furnace
07/05/1994CA1330486C Apparatus for stirring molten metal
06/1994
06/28/1994US5324487 Vacuum-suction degassing apparatus
06/22/1994CN2169633Y Composite air supply element for metallurgical furnace bottom blowing
06/21/1994US5322546 Filtration of molten material
06/21/1994CA1330259C Method for cooling gases and/or vapours from non-ferrous metal treatment plants, and the relative apparatus
06/15/1994CN1025051C Gas-cleaning device of melting metal container
06/09/1994WO1994012301A1 Filtration of molten material
06/08/1994EP0600248A1 Process for obtaining a separating gap, in particular in metallurgy
06/08/1994CN1087682A A method for blowing oxidizing gases into molten metal
06/07/1994US5318278 Apparatus for making mixtures of reactive melts
06/07/1994CA1329990C Method for induction melting reactive metals and alloys
06/05/1994CA2110625A1 Method of forming a gap, particularly in the metallurgical field
06/01/1994EP0598842A1 Electrodeless plasma torch apparatus and methods for the dissociation of hazardous waste
06/01/1994CN1087419A Method of heating and melting metal and apparatus for melting metal
05/1994
05/31/1994US5316563 Vacuum degassing method and its apparatus
05/26/1994WO1994011541A1 Engineering ferrous metals, in particular cast iron and steel
05/25/1994EP0598221A1 A method for blowing oxidizing gases into molten metal
05/24/1994CA1329692C Electro-slag casting apparatus and method
05/20/1994CA2103266A1 A method for blowing oxidizing gases into molten metal
05/18/1994EP0597270A2 A method for operating a multimedia tuyère and the tuyère system
05/17/1994US5312525 Short-circuiting an electrode for transport of impurities
05/17/1994US5311655 Method of manufacturing titanium-aluminum base alloys
05/12/1994CA2102871A1 Method for operating a multimedia tuyere and the tuyere system
05/11/1994WO1994010348A1 Process and device for melting scrap
05/11/1994CA2147972A1 Process and device for the melting down of scrap
05/10/1994US5310412 Melting metal particles and dispersing gas and additives with vaned impeller
05/03/1994USRE34598 Integrated circuit
05/03/1994US5308045 Scrap melter impeller
04/1994
04/28/1994DE4236510A1 Verfahren und Vorrichtung zum Einschmelzen von Schrott Method and apparatus for melting scrap
04/26/1994US5306472 Gasifying gas-forming components in melt; immersing hollow partitioning member; reacts with impurities
04/26/1994US5306329 Phosphorous deoxidation of metal
04/20/1994EP0593278A1 Filter for metal hot melt and process for production thereof
04/20/1994EP0592723A1 Continuous scrap preheating
04/19/1994US5303764 Die for forming aluminum silicon alloy
04/19/1994CA1328563C Method of treating metal melts and apparatus for carrying out the method
04/13/1994CN1085262A Rare-earth stainless steel and its smelting process
04/12/1994US5302185 Using protective gas inert to metal within defined temperature range but which reacts to form solid or solution outside of defined temperature range
04/06/1994CN1084897A Filters for light metals
03/1994
03/31/1994WO1994006586A1 Particulate feedstock for metal injection molding
03/31/1994CA2144434A1 Particulate feedstock for metal injection molding
03/22/1994CA1327887C Nozzles for injecting substances into liquids
03/16/1994EP0587258A2 Method for producing titanium particles
03/16/1994CN1083865A A method and an apparatus for sealing tuyeres in the surrounding refractory lining
03/15/1994US5294245 Melting and mixing metals with impellers
03/03/1994WO1994004711A1 Charging metal solids into molten metal
03/01/1994CA1327275C Method for continuous reduction in pyrometallurgical processes with pellets
02/1994
02/24/1994DE4315342C1 Treating molten metal, in partic. steel with a purifying agent - with liquid oxygen or a two=phase mixt. of liq and gaseous oxygen used as the purifying agent
02/23/1994CN1082618A Removing impurities from continuous molten casting steel by absorption-filteration method
02/22/1994US5288969 Electrodeless plasma torch apparatus and methods for the dissociation of hazardous waste
02/17/1994DE4243687C1 Vakuumanlage, insbesondere für die Sekundärmetallurgie Vacuum system, especially for secondary metallurgy
02/15/1994US5287382 Wall electrode for a DC electric metallurgical furnace
02/15/1994US5286163 Molten metal pump with filter
02/08/1994CA1326838C Process for the addition of metal elements into metal melts
02/02/1994EP0581647A1 Process for preparing of soft magnetic alloys with high permeability and alloys
02/01/1994US5282882 Agitating with iron and molybdenum sulfides; precipitation of calcium sulfide and iron/molybdenum silicides
01/1994
01/26/1994CN1023610C Special smelting process "electroslag induction refining"
01/25/1994US5281252 Providing molten bath of sulfide material, injecting particles of sulfide below surface, bottom stirring, top blowing with oxygen containing gas to form metal and sulfur containing gas
01/19/1994CN1023571C Tungsten stannum fluxing agent and its making method
01/18/1994US5280149 Process for treating highly environmentally polluting residues
01/18/1994US5279639 Compositions for synthesizing ladle slags
01/14/1994CA2073706A1 Apparatus and process for the refinement of molten metal
01/12/1994EP0578517A1 Process for treating a molten metal during a casting operation using a filter and filter used therefor
01/12/1994EP0577997A1 Electrode for electroslag remelting and process of producing alloy using the same
01/05/1994CN1080325A Method for producing easily volatile metals, such as zinc, lead and cadmium, of sulphidic raw materials
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