Patents
Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381)
09/1986
09/09/1986US4611339 Method and apparatus for removal of impure gases at time of scrap preheating
09/09/1986US4610436 Slag retaining device with self-aligning tip
09/03/1986EP0192682A1 Method and apparatus for flame generation.
09/02/1986US4609538 Scrap heating method
09/02/1986US4609400 Method and apparatus for preheating charge materials for continuous steelmaking
09/02/1986CA1210833A1 Solids feeding control for gas blowing lance
08/1986
08/27/1986EP0191904A1 Process for the production of safely dischargeable filter dusts
08/27/1986CN85104910A Metallurgy of high carbon and high bearing steel in basic electric arc furnace with salt addition
08/26/1986US4607994 Transport arrangement especially for lining material
08/19/1986US4607374 Method for controlling arc furnace
08/19/1986US4607373 Control system for a DC arc furnace
08/19/1986US4606531 Rotary joint apparatus for introducing and transporting several independent fluids and solid fines into a metallurgical converter
08/19/1986US4606530 Installation and process for continuously charging a reactor with solid material and heating said material with the gases emitted from said reactor
08/19/1986CA1210038A1 Arc furnace installation with shroud
08/19/1986CA1209807A1 Bottom-blown gas blowing nozzle for molten metal refining furnace and steel refining method using the same
08/13/1986EP0190644A1 Convertor pressure control device in convertor waste gas disposing device
08/13/1986EP0190313A1 Method and apparatus for continuous steelmaking.
08/12/1986US4606055 DC arc furnace having starting equipment
08/12/1986US4605437 Charging scrap iron and solid cabonaceous material, oxidation, melts using heat generated by oxidation reaction
08/12/1986CA1209626A1 Process and apparatus for the generation of hot gases
08/05/1986USRE32220 Lance mounted spray apparatus
08/05/1986US4604138 One step decarbonization dephosphorization by blowing oxygen in o melt
08/05/1986US4603810 Method and apparatus for the acceleration of solid particles entrained in a carrier gas
08/05/1986CA1208901A1 Foundry device in particular converter for pouring and/or treating of molten metal
07/1986
07/30/1986EP0189016A1 Swinging out device for mounting and dismounting a blowing lance
07/30/1986CN85107205A Cermet oxygen-blow pipe
07/29/1986US4602768 Apparatus for determining the presence of a metallic melt in a passage channel of a metallurgical furnace or of a casting ladle
07/29/1986US4602574 Destruction of toxic organic chemicals
07/23/1986EP0188305A2 A process for processing a moist metal or metal compounds containing composition comprising at least on solid product separated from gases evolved during the preparation of iron
07/23/1986EP0187777A1 Device for the injection of gases into molten metals and minerals.
07/23/1986CN86200541U Divided pneumatic siag-pushing-off device
07/22/1986CA1208287A1 High speed oxygen sensor for molten metals
07/15/1986USRE32205 Basic oxygen furnace construction
07/15/1986US4601041 Electrode mounting in DC arc furnace vessels
07/09/1986EP0187008A2 Composition and method for producing a heat of steel
07/08/1986US4599107 Accurate decarbonization
07/08/1986CA1207145A1 Apparatus for guiding and changing immersion lances
07/08/1986CA1207144A1 Porous end piece for oxygen blowing lance in a bath of molten steel
07/03/1986WO1986003783A1 Apparatus for heating charging material
07/02/1986EP0186653A1 Process for the production of a mixed gas and plant for carrying out the process
07/02/1986CA1206752A Method and device for draining metallurgical vessels
06/1986
06/25/1986EP0185141A1 Decarburizing a metal or metal alloy melt
06/24/1986USRE32192 Refractory piece permeable to gases
06/24/1986US4596600 Steel-making process in converter
06/24/1986US4596382 Telescopic sealing hood between converter and stack while refining iron
06/17/1986US4596019 Method and apparatus for the generation of hot gases with an electric arc
06/17/1986CA1206007A1 Treatment to improve the permeability of refractory lined metallurgicul vessel bottoms, and materials intended for said treatment
06/11/1986EP0184194A1 Solid electrolyte immersion probe
06/10/1986CN85108699A Apparatus for heating charges
06/10/1986CA1205638A1 Production of ultra low carbon steel by the basic oxygen process
06/10/1986CA1205637A1 Method for improving the life cycle of permeable refractory units covering the inner bottom of metal refining vessels, especially steel converters with topside oxygene blowers
06/04/1986EP0183631A1 Wall electrode for a metallurgical direct current electrical furnace
06/04/1986EP0183284A1 Arc furnace burner control method and apparatus
06/04/1986EP0182965A1 Process for protecting the tuyeres and the lining of a vessel for refining molten metal
06/03/1986US4593022 Derivatives of pyridinium thiomethyl cephalosporins
06/03/1986US4592778 Steelmaking of an extremely low carbon steel in a converter
06/03/1986US4592539 Device for arresting a steel making converter
06/03/1986CA1205290A1 Method of increasing the cold material charging capacity in the top-blowing production of steel
06/03/1986CA1205289A1 Process for producing steel in a converter from pig iron and ferrous scrap
05/1986
05/27/1986US4592066 Conductive bottom for direct current electric arc furnaces
05/27/1986US4591134 Arrangement for cleaning a lance head of a lance introducible into a metallurgical vessel
05/22/1986WO1986002847A1 Destruction of toxic chemicals
05/21/1986EP0181853A1 Gas flushing plug for metallurgical furnaces and vessels
05/20/1986CA1204608A1 Method and apparatus for handling measuring and sampling probe-tubes in the production of metal, more particularly steel
05/20/1986CA1204590A1 Lancing in electric arc steelmaking
05/14/1986EP0180741A1 Process and installation for maintaining or increasing the temperature of a metal melt
05/13/1986US4588169 Arrangement to be used with a tiltable metallurgical vessel
05/10/1986CN85107416A Arc furnace burner control method and apparatus
05/07/1986EP0180388A2 Containers for molten metal
05/06/1986US4587660 Direct-current metallurgical arc furnace and method of melting with same
05/06/1986US4586895 Method of removing slag from oxygen fuel burner
05/06/1986CA1203986A1 Production of ultra-low phosphorus steel
04/1986
04/30/1986EP0179337A1 Process for refining molten steel
04/30/1986EP0179336A1 Method of refining molten steel by arc process
04/29/1986US4585476 Alternate reduction and cooling cycles of two batch reactors
04/29/1986US4585475 Utilization as coolant and oxidizer in steel refining
04/24/1986WO1986002437A1 Manipulator at furnaces and the like
04/23/1986EP0178981A1 Electrode structure for a molten metal bath
04/16/1986EP0177908A1 Arc-heating type extra-furnace refining apparatus
04/15/1986CA1203093A1 Arrangement for exchanging measuring and/or sampling probes
04/15/1986CA1203092A1 Arrangement for exchanging measuring and/or sampling probes
04/15/1986CA1203091A1 Magazine arrangement for measuring and/or sampling probes
04/02/1986EP0176497A1 Electric melting furnace
04/02/1986EP0175924A1 Process for refining pig iron
04/01/1986US4579524 Charge forming preheating apparatus and method
03/1986
03/26/1986EP0175678A1 Installation attached to an electric furnace
03/25/1986CA1202185A1 Method and apparatus for converting matte, particularly high-grade matte
03/25/1986CA1202181A1 Process to produce low hydrogen steel
03/18/1986US4577326 DC Arc furnace hearth connection
03/18/1986US4576637 From cheap raw materials
03/12/1986EP0174061A1 Continuous vacuum degassing and casting of steel
03/11/1986US4575394 Oxy-fuel burner using fuel having exothermic heat of decomposition
03/11/1986US4575393 Metallurgy
03/11/1986US4574714 Injection into a melt of molten metal or metal oxides
03/11/1986CA1201591A1 Gas-transmitting wall element for a metallurgical vessel, a metallurgical vessel having such a wall element, and a method of producing steel
03/05/1986EP0173669A2 Tiltable metallurgical vessel
03/04/1986CA1201432A1 Derivatives of pyridinium thiomethyl cephalosporins, process for preparing them and pharmaceutical compositions containing them
03/04/1986CA1201372A1 Oxygen-fuel burner with lancing capability
02/1986
02/27/1986WO1986001230A1 Method and apparatus for continuous steelmaking
02/27/1986WO1986001131A1 Method and apparatus for flame generation