Patents
Patents for C22B 9 - General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals (7,765)
11/1987
11/24/1987US4708740 Filtration of molten metals
11/24/1987US4708737 Magnesium or alluminum or alloys
11/24/1987US4708190 Treating metals and/or metallic compounds
11/19/1987EP0245601A2 Apparatus for treating molten metal
11/11/1987CN87103098A Post-mix method and system for supply of powderized materials
11/10/1987US4705562 Method for working-up waste products containing valuable metals
11/10/1987US4705261 Wire injection nozzle
11/04/1987EP0243384A1 Device for filtering molten metals.
11/03/1987US4704162 Using linear induction motor
11/03/1987CA1228726A1 Device for introducing gas into molten metal
10/1987
10/28/1987EP0243269A2 Post-mix method and system for supply of powderized materials
10/28/1987EP0243217A1 Process of production of a filter for liquid metals
10/27/1987US4702462 Water-cooled lance for blowing oxidizing gas onto a metal melt
10/20/1987US4701215 Apparatus for introducing substances into liquids e.g. metal melts
10/14/1987EP0240998A1 Melting furnace and method for melting metal
10/14/1987CN87101800A Bubble-like ceramic filting device for filting liquid metal and its preparation process
10/13/1987US4699656 Deoxidation of molten copper
10/13/1987US4699654 Injecting inert gases for selective agitation
10/07/1987CN87100479A Decontamination plant on the metallurgical revolving furnace
10/06/1987US4697632 Ceramic porous bodies suitable for use with superalloys
10/06/1987CA1227643A1 Process for refining metal
10/06/1987CA1227642A1 Process and device for feeding metal into a molten metal bath
09/1987
09/30/1987EP0239305A1 Filter device and method
09/30/1987EP0239257A1 Purifying steel
09/29/1987US4697274 Electric melting furnace arrangement as well as a method of influencing the composition of a mineral melt for producing wool
09/29/1987US4696457 Means for charging liquid slag to a closed smelting furnace
09/29/1987CA1227335A1 Process for treating steel with calcium to enhance the cold forming of the metal and reduce its silicon content
09/29/1987CA1227306A1 Method for continuous production of elongated carbon bodies
09/24/1987WO1987005775A1 Induction plasma installation
09/24/1987WO1987005548A1 Powder atomizing methods and apparatus
09/23/1987EP0238425A1 Process and apparatus for manufacturing refractory materials by induction
09/23/1987CN87102178A Injection of substances into high temperature liquids
09/22/1987US4695427 Calcium oxide lined container
09/22/1987US4695319 Metal distillation method utilizing double vaporization
09/22/1987US4695043 Gas scavenging apparatus for metallurgical vessels
09/22/1987US4695042 Lance supporting apparatus
09/15/1987US4694464 Plasma arc heating apparatus and method
09/15/1987US4693088 Cold trap for eliminating impurities from a polluted liquid metal
09/15/1987CA1226738A1 Metal scrap reclamation system
09/11/1987WO1987005382A1 Device for degassing molten metals
09/09/1987EP0236238A1 Process for purifying metals by fractional crystallization
09/09/1987CN87101583A Apparatus for degassing molten metal
09/09/1987CN86107592A Immersion combustion in melt substance
09/08/1987US4691900 Metal melting furnace
09/03/1987DE3619533C1 Nozzle brick (perforated brick) with a blowing-in brick for metallurgical vessels, in particular steel ladles, for blowing gases or solid/gas mixtures into the metallic melts contained in the metallurgical vessels
09/02/1987EP0234979A1 Filter made from refractory material
09/02/1987EP0234852A1 Injection of substances into high temperature liquids
09/02/1987EP0234536A1 Method for separation of inclusions in molten metal and device for carrying out the method
09/01/1987US4690763 For molten metals
09/01/1987US4690725 Purification of Cd and Te by zone refining
09/01/1987CA1226135A1 Apparatus for preparing high-melting-point high- toughness metals
08/1987
08/27/1987WO1987005051A1 Injection of substances into high temperature liquids
08/18/1987CA1225523A1 Apparatus for melting metal
08/12/1987EP0232244A2 Flushing arrangement for a metallurgical vessel
08/12/1987EP0231492A1 Austenitic, nitrogen-containing chromium-nickel-molybdenum-manganese steel; process for manufacturing this steel and uses thereof
08/11/1987US4685965 Molasses, lignin or methanol as reducing agents; copper melt
08/11/1987US4685822 Strengthened graphite-metal threaded connection
08/11/1987US4685657 Melting furnace
08/04/1987US4684402 Method of waste disposal, and apparatus for the same
07/1987
07/28/1987US4683056 Purification of liquid metals, such as sodium
07/28/1987CA1224729A2 High efficiency filter
07/22/1987CN87100033A Improvement technique of metal purification with fractional crystallization process
07/21/1987US4681627 Process for preparing an ingot from metal scrap
07/21/1987US4681624 Zircon, open cells
07/21/1987CA1224516A1 Electric arc fired cupola for remelting of metal chips
07/14/1987CA1224048A1 Process of continuously treating an alloy melt
07/07/1987US4678758 Porous ceramic filter body and manufacturing method therefor
07/07/1987US4678506 Production of titanium articles that are free from low density inclusions
07/07/1987CA1223744A1 Process for decarburizing alloy melts
07/07/1987CA1223743A1 Method of filtering molten metal
07/07/1987CA1223723A1 Metal ingot smelting installation
07/02/1987DE3641957C1 Burner and cover arrangement for furnaces for keeping hot and/or melting metals
07/01/1987CN85109612A Molten-casting method with deformable electroslag for crankshaft at one go
06/1987
06/24/1987EP0225998A1 Submerged combustion in molten materials
06/23/1987US4675048 Electrothermal process and plant for the separation and refining of metal from waste
06/16/1987US4673434 Using a rotary device for treating molten metal
06/16/1987CA1222870A1 Nozzle carrying refractory element, and wear prevention method for said refractory element
06/10/1987EP0224657A1 Gas-flushing installation for melt containers
06/10/1987EP0224499A1 Method for degasing a melting material and device for implementins such method
06/10/1987CN86107703A Method for melting and reducing chrome ore
06/09/1987CA1222626A1 Apparatus for blowing powdery refining agent into refining vessel
06/02/1987US4670048 Method for heating the reducing gas of a blast furnace by means of a plasma generator
06/02/1987US4669709 Device for the injection of gases into molten metals and minerals
05/1987
05/27/1987EP0223722A1 Device and process for the low-pressure injection of pulverulent additives into a stream of molten metal
05/26/1987US4669087 Control system for electroslag remelting
05/26/1987US4668287 From tetrachlorides, magnesium, magnesium, chloride, linings, drains, sealing, melts
05/26/1987US4667939 Purifying steel
05/26/1987US4667385 Lance for stirring molten metal and method of making the same
05/20/1987EP0222397A2 Method for melting and reducing chrome ore
05/13/1987EP0221250A1 Injector installation for metallurgical vessels
05/07/1987WO1987002596A1 Device for filtering molten metals
05/07/1987DE3538421A1 Process for mounting a gas purging block intended for metallurgical vessels
05/05/1987US4662614 Blast pipe
04/1987
04/29/1987CN86107248A Filtration apparatus
04/28/1987US4661153 Refractory porous plug
04/21/1987US4659375 Method of heating, melting and coal conversion
04/21/1987CA1220698A1 Microstructural refinement of cast metal
04/14/1987US4657586 Refining copper by injection of oxygen and fuels to oxidize and reduce impurities
04/14/1987CA1220381A1 Feeder for pulverized coal
04/14/1987CA1220351A1 Melting scrap metal and ingestion of solids in molten metal
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