Patents
Patents for C22B 9 - General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals (7,765)
06/1992
06/03/1992CN1016853B Melten-casting method with deformable electroslah for crankshaft at one go
06/02/1992CA1302096C Wire injection nozzle
05/1992
05/29/1992WO1992008814A2 Jet flow device for injecting gas into molten metal
05/20/1992CN2104718U Cap-like filtering apparatus casted by using molten mould
05/19/1992US5114472 Multistage rigid media filter for molten metal and method of filtering
05/19/1992CA1300898C Melting furnace and method for melting metal
05/17/1992CA2055186A1 Melting metal particles and dispersing gas with vaned impeller
05/10/1992CA2029680A1 Jet flow device for injecting gas into molten metal
05/05/1992US5110352 Method of producing aluminum material for use as electronic material
05/05/1992CA1299878C Devices and apparatus for injecting gas into high temperature liquids, e.g. metal melts
04/1992
04/28/1992CA1299373C Method and apparatus for degassing molten metal utilizing rh method
04/21/1992US5106411 Method of and apparatus for removing non-metallic inclusions in molten metal
04/16/1992WO1992006222A1 Method for extracting zinc present in liquid cast iron, and means for implementing such methods and products thus obtained
04/15/1992CN1060314A Magnetic levitation cooling technology for obtaining high-purity rare-earth metals
04/14/1992US5104540 Coated molten metal filters
04/14/1992US5104096 Electrometallurgical furnace, carbon electrodes, submerged arc, countercurrent gas flow; reduced gas velocity improves operating efficiency
04/08/1992EP0479757A1 Process and apparatus for the manufacture of titanium-(aluminum) base alloys
04/07/1992US5102450 Method for melting titanium aluminide alloys in ceramic crucible
04/07/1992US5102449 Melting in cooled copper crucible under vacuum molding, applying magnetic field and electromagnetic stirring
04/01/1992EP0478322A1 Pyrometallurgical process for treating a feed material
03/1992
03/31/1992US5100463 Method of operating an electron beam furnace
03/25/1992EP0476534A1 Apparatus for the purification of molten non-ferrous metals, in particular molten aluminium
03/18/1992EP0474956A1 Metallic vapor condenser capable of circulating a liquid metal
03/18/1992EP0474682A1 Closed remelting furnace with a plurality of horizontally mobile bottom elements
03/18/1992CN2099134U Continuously cleaning device for outside of al and al-alloy furnace
03/18/1992CN1015910B Gas bubbling device
03/18/1992CN1015909B Gas bubbling device
03/18/1992CA2051590A1 Apparatus for purifying nonferrous metal melts, particularly aluminum melts
03/11/1992CN1059371A Electroslag remelting technique for controlling low aluminium
03/10/1992US5094686 Process for producing copper fine powder
03/10/1992CA1297144C Gas scavenging apparatus for metallurgical vessels
02/1992
02/25/1992US5091000 Bubbling a gas to trap inclusions which rise to the surfaces are removed
02/25/1992US5090999 Process for the removal of non-ferrous metals from solid ferrous scrap
02/25/1992US5090998 Purification of metal melts with halogen gas generated in an electrolysis cell
02/25/1992US5090996 Reducing calcined dolomite or magnesium oxide with ferro-silicon; heating with plasma or arc
02/20/1992WO1992002650A1 Liquid metal treatment
02/20/1992WO1992002649A1 Liquid metal filter
02/19/1992EP0471027A1 Treatment of melts in a ladle and apparatus for such treatment
02/12/1992CN1015477B Less energy-consumption process for producing fine crystal ingot by resmelting of electric furnace slag
02/12/1992CN1015476B Vacuum induction remelting method for producing isometric fine crystal ingot
02/11/1992US5087292 Recirculating molten metal in bath, ejecting near gas outlet
02/06/1992WO1992001820A1 A method for operating electron beam furnace and intermediate pressure electron beam furnace
02/06/1992WO1992001818A1 Vacuum processing of reactive metal
01/1992
01/29/1992EP0468832A1 Furnace for holding the temperature and for metallurgical treatment
01/29/1992CN2094554U Filter for melted aluminium
01/28/1992US5084091 Induction melting titanium in a vacuum or nonoxidizing atmosph ere and treatment of an electric current
01/28/1992US5084090 Vacuum processing of reactive metal
01/28/1992US5084089 Method for in-line induction heating of molten metals for supplying continuous casting devices
01/22/1992CN1058049A Compositions and methods for sythesizing ladle slags treating ladle slags, and coating refractory linings
01/20/1992CA2044529A1 Vacuum processing of reactive metal
01/15/1992EP0466215A2 Filter for liquid metals, based on alveolar ceramic material, process for the production thereof, and its use in filtering liquid metals or alloys having high melting points
01/14/1992CA2046777A1 Oven with temperature holding for metallurgical treatment
01/07/1992US5078789 Removal of magnesium and magnesium chloride from a sponge refractory metal such as zirconium
01/07/1992US5078572 Molten metal pump with filter
01/02/1992EP0463234A1 Coated molten metal filters
12/1991
12/31/1991US5076839 Precious metal refining with fluorine gas
12/27/1991EP0462898A1 Process and installation for smelting of a charge in a furnace
12/27/1991EP0462538A1 Vacuum-suction continuous degassing apparatus
12/27/1991EP0462537A1 Vacuum-suction degassing apparatus
12/27/1991EP0462536A1 Vacuum-suction degassing method and an apparatus therefor
12/27/1991EP0462535A1 Vacuum-suction degassing apparatus
12/27/1991EP0259459B1 Powder atomizing methods and apparatus
12/24/1991CA1293520C Ceramic foam filter and process for preparing same
12/23/1991CA2031136A1 Coated molten metal filters
12/18/1991CN1015115B Rotary device, apparatus and method for treating molten metal
12/18/1991CA2019205A1 Method and apparatus for producing an intermetallic free galvanizing bath sample
12/17/1991CA2044725A1 Vacuum-suction degassing apparatus
12/17/1991CA2044722A1 Vacuum-suction continous degassing apparatus
12/10/1991US5071471 Continuously flowing molten metal to a vessel, horizontal rotation and heating cause separation of imputities
12/04/1991EP0459303A1 Method for producing aluminum material for use as electronic material
12/04/1991CN2089935U 铝熔体精炼装置 Molten aluminum refining unit
12/03/1991CA1292615C Method and apparatus for agitating metals and producing alloys
11/1991
11/27/1991EP0458040A2 Gas purging assembly with a perforated brick and a gas purging brick
11/25/1991CA2017577A1 Handling and disposal of toxic chromium dust
11/20/1991CN1014804B Process for treatment of ores or concentrates of lead sulfuride and/or lead-zinc sulfuride
11/19/1991US5066350 Protecting Pipes Used In Molten Metals
11/19/1991CA1292119C Apparatus for injecting substances into liquids
11/13/1991EP0456566A1 Plate for distillation column, distillation column containing such a plate and use of such a column
11/13/1991EP0456001A2 Device for gas flushing
11/13/1991CN1056128A Gas flushing device and sleeve brick and gas flushing brick for it
11/08/1991CA2041925A1 Gas flushing brick
11/05/1991US5062887 Process for chloride removal from sponge metal
10/1991
10/30/1991CN1055769A Apparatus for refining molten metal with ceramic filter
10/29/1991CA1291351C Strengthened graphite-metal threaded connection
10/23/1991EP0453151A1 Process for recovering valuable metals from a dust containing zinc
10/23/1991EP0452654A2 Installation for purifying a metal melting bath with ceramic filter
10/23/1991CN1014434B Method for the dispersion of hard alpha defects in ingots of titanium or titanium alloy and ingots produced thereby
10/22/1991CA1290943C Submerged combustion in molten materials
10/16/1991EP0451385A1 Method of manufacturing clean steel
10/15/1991US5058127 Bottom discharge cold crucible
10/15/1991US5057194 Salt-based melting process
10/15/1991US5057150 Production of aluminum master alloy rod
10/15/1991US5056762 Apparatus for mounting a gas washing sink in a centered manner in a perforated brick
10/09/1991EP0450544A2 A vacuum-suction degassing method and an apparatus therefor
10/08/1991US5055018 Clean steel
10/07/1991WO1991015604A1 Compositions and methods for synthesizing ladle slags, treating ladle slags, and coating refractory linings
10/07/1991CA2079872A1 Compositions and methods for synthesizing ladle slags, treating ladle slags, and coating refractory linings
10/02/1991DE4010353A1 Operating metallurgical furnace with self-baking electrode - lockable traction rod within electrode
10/01/1991USH970 Melt refining, electrorefining
09/1991
09/24/1991CA1289364C Method for melting and reducing chrome ore
1 ... 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 ... 78