Patents
Patents for C22B 9 - General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals (7,765)
12/1982
12/07/1982CA1136860A2 Process for precipitating iron as jarosite with a low non-ferrous metal content
11/1982
11/16/1982US4359337 Process for the manufacture of basic slags for the electroslag remelting process
11/10/1982EP0064474A1 Ceramic filter for filtering fused metals, and process for making the same
11/09/1982US4358094 Furnace system for smelting ore concentrate and the like
11/02/1982US4357161 Method for processing wastes resulting from production of phosphorus, namely, slime and off-gases, with utilization of the resultant products
11/02/1982US4357004 Apparatus for refining molten metal
10/1982
10/26/1982US4356033 Process for refining metals by drossing procedures
10/26/1982US4355789 Gas pump for stirring molten metal
10/14/1982WO1982003339A1 Ceramic filter, method for manufacturing and utilizing this filter
10/13/1982EP0062548A1 Process for gas-stirring a metal bath
10/13/1982EP0062398A1 Method of removing liquid from mixing chambers
10/13/1982EP0062217A1 Metallurgical lance
09/1982
09/29/1982EP0061411A1 Process for precisely and continuously injecting a gaseous halide compound into a liquid metal
09/28/1982US4352189 Atmosphere control of slag melting furnace
09/14/1982US4349912 Electrode positioning control
09/08/1982EP0059411A1 Apparatus for spreading covering material
09/08/1982EP0059289A1 Tuyère
09/07/1982US4348013 Device of refractory porous material for blowing gas into a bath of liquid metal
09/07/1982CA1130980A1 Method for the filtration of molten metal
09/01/1982EP0059181A1 Method and apparatus for controlling the melting rate of an electrode by electroslag remelting
09/01/1982EP0058812A2 Porous ceramic filter and process for producing the same
08/1982
08/31/1982US4347084 Electrodes of sintered tantalum powder of fine grain size and process of production
08/31/1982CA1130574A1 Method and apparatus for the removal of impurities from molten metal
08/31/1982CA1130573A1 Method and apparatus for refining molten raw metals, more particularly lead or zinc
08/18/1982EP0057965A1 Molten metal sampling device
08/10/1982US4343704 Ceramic foam filter
08/03/1982US4342664 Molten metal filter
07/1982
07/21/1982EP0056225A1 Plasma melting furnace
07/20/1982US4340643 Glass or ferrite balloons coated with silicon and magnesium aluminate
07/13/1982US4339624 Electrode clamping device for electroremelting plants
06/1982
06/29/1982CA1126507A1 Furnace for refining non-ferrous metals
06/16/1982EP0053848A1 Process for injecting gases rich in oxygen into a molten non-ferrous metal bath
06/15/1982US4335160 Chemical process
06/15/1982US4334990 Cartridge for active filtration and treatment of liquid metals and alloys
06/15/1982US4334924 Reduction of slag with iron-sulfur, removal of sulfur and iron by oxidation
06/10/1982WO1982001892A1 Tuyere for blowing in powder-like materials into molten metal
05/1982
05/25/1982US4331621 Method for bonding a gasket seal to surface of ceramic foam filter
05/25/1982US4331475 Process for aluminothermic production of chromium and chromium alloys low in nitrogen
05/25/1982CA1124082A1 Method for introducing deoxy-desulphurizing substance into liquid metals without the use of gaseous carriers
05/19/1982EP0051607A1 Metallurgical process and furnace
05/18/1982US4330328 Process and apparatus for making a metal alloy
05/18/1982US4330327 Disposable bed filter process and apparatus
05/18/1982CA1123611A1 Method and apparatus for stirring molten metal
05/11/1982US4329162 Diesel particulate trap
05/11/1982US4328958 Apparatus for stirring molten metal in container
05/11/1982CA1123207A1 Method and apparatus for the filtration and degassing of molten metal
05/04/1982US4327901 Melt and hold furnace for non-ferrous metals
04/1982
04/28/1982EP0050578A1 Apparatus for the treatment of a molten metal bath by gas injection
04/20/1982US4325539 Device for treating a molten metal or alloy using liquid and solid flux
04/20/1982CA1122003A1 Condensation of metal vapour
04/13/1982US4324582 Process for the recovery of copper from its ores
04/06/1982CA1121163A1 Decarburization of metallic alloys
03/1982
03/30/1982CA1120728A1 Preparation of phosphorus-containing metallic glass-forming alloy melts
03/23/1982US4321089 Process for the recovery of molybdenum and rhenium from their sulfide ores
03/17/1982EP0047665A1 Improvements in or relating to metal distillation
03/16/1982CA1120085A1 Continuous treatment of molten metals
03/16/1982CA1120066A1 Ceramic porous bodies
03/16/1982CA1119814A1 Method of melt dispersing a floatable solid additive in molten metal and a melt dispersible floatable, additive therefor
03/02/1982US4317679 Method and apparatus for the degassing of molten metal
02/1982
02/17/1982EP0045746A1 A method of purifying non-ferrous metal melts from foreign elements
02/16/1982US4315774 Method of safely injecting oxygen reactive materials into a submerged oxygen gas stream
01/1982
01/26/1982US4312668 Introducing nodularizing agent into cast iron
01/26/1982US4312667 Method of forming large, minimal grain copper billet
01/20/1982EP0044183A1 Metallurgical treatment agents
01/19/1982US4311520 Process for the recovery of nickel, cobalt and manganese from their oxides and silicates
01/19/1982US4311518 Homogenization of metal using gas
01/19/1982CA1116407A1 Process and apparatus for melting cast iron borings
01/13/1982EP0043787A1 Gas-permeable body of fire-resistant material
01/13/1982EP0043694A1 Particulate filter and material for producing the same
01/12/1982US4310350 Recovering non-volatile metals from dust containing metal oxides
01/05/1982US4309170 Vertical shaft furnace
12/1981
12/30/1981EP0042689A1 Method and apparatus for controlling electrode drive speed in a consumable electrode furnace
12/29/1981US4308415 Process for refining a molten metal and an apparatus therefor
12/23/1981EP0042196A1 Apparatus for refining molten metal
12/22/1981US4307263 Device for balancing the forces acting on the electrode in electro-slag furnaces
12/22/1981US4306904 Process of introducing a solid addition into a bath of liquid metal
12/16/1981EP0041841A1 Process for the recovery of metals from their ores
12/15/1981CA1114327A1 Packed bed electrorefining and electrolysis
12/09/1981EP0041078A2 Plasma burner working with gas mixtures
12/08/1981US4304953 Method of producing a consumable electrode of large diameter
12/01/1981US4303797 Method and apparatus for controlling electrode drive speed in a consumable electrode furnace
11/1981
11/26/1981WO1981003342A1 Metallurgical process and furnace
11/25/1981EP0040285A1 Metallurgical process and furnace
11/24/1981US4302502 Filters for molten metal
11/24/1981US4302249 Method for processing wastes resulting from production of phosphorus namely, slime and off-gases, with utilization of the resultant products
11/17/1981CA1112700A1 Electroslag remelting plant
11/10/1981US4299624 Molten metal treatment
11/10/1981CA1112052A1 Refining method for non ferrous metal mattes
11/03/1981US4298377 Accurate and simple, continuous processing
11/03/1981US4298192 Method of introducing powdered reagents into molten metals and apparatus for effecting same
11/03/1981US4298187 Apparatus for inline degassing and filtration of molten metal
11/03/1981CA1111640A1 Cooled nozzle for blowing gases in a multen metal bath
10/1981
10/28/1981EP0038608A1 Apparatus for refining molten metal
10/27/1981US4297133 Using a wound paper tube
10/27/1981US4297132 Using boron oxide
10/27/1981US4296920 Molten metal treatment
10/20/1981US4295884 Process for treating a molten metal or alloy using liquid and solid flux
10/20/1981US4295883 Suction, cones, jets, channels
10/06/1981CA1110078A1 Method and apparatus for the refining of melts by means of a pulverous solid material and/or a gas
09/1981
09/22/1981US4290822 Adding metal hydroxide remove oxides, hydrides
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