| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
|---|
| 03/11/1987 | CN85106853A Process for refining molten metals |
| 03/10/1987 | US4648584 Hooded metallurgical vessel |
| 03/10/1987 | CA1218846A1 Method of minimizing slag carryover |
| 03/04/1987 | CN85104161A Directional electric arc heating device |
| 03/03/1987 | US4647020 Gas-permeable element of a refractory material |
| 03/03/1987 | US4647019 Very small refining vessel |
| 02/26/1987 | WO1987001136A1 Vanadium slag and method for obtaining it |
| 02/26/1987 | DE3529419A1 Method for producing alloyed stainless steels with very low carbon contents |
| 02/24/1987 | US4646316 Electric connecting device for contacting a molten metallic mass |
| 02/24/1987 | US4646315 Arc furnace burner control method and apparatus |
| 02/17/1987 | US4643766 Process for refining phosphoric pig iron |
| 02/17/1987 | US4643404 Tiltable metallurgical vessel arrangement |
| 02/17/1987 | US4643403 Liquid-cooled lance for blowing oxygen onto a steel bath and method of operating the lance |
| 02/12/1987 | DE3621733C1 Lining apparatus for metallurgical vessels |
| 02/11/1987 | CN85108323A Oxygen gun with an auxiliary blow pistol for converter steel smelt |
| 02/10/1987 | US4642047 Method and apparatus for flame generation and utilization of the combustion products for heating, melting and refining |
| 02/05/1987 | DE3526391A1 Method and device for detecting the wear of refractory bricks |
| 02/05/1987 | DE3526291A1 Process for smelting steel in a converter with an oxygen top-blowing tuyere |
| 02/03/1987 | US4640498 Horizontally and vertically movable elevated apparatus for placing slag retaining means in tapping converters |
| 02/03/1987 | CA1217336A1 Annular tuyere and method |
| 01/31/1987 | CN85107265A Bottom oxygen blast compound injector of top-bottom double-blown converter |
| 01/28/1987 | EP0209532A1 Apparatus for heating charging material. |
| 01/21/1987 | EP0209211A2 Lance supporting device for a vacuum degassing vessel |
| 01/21/1987 | EP0208881A1 Pyrolysis plant |
| 01/20/1987 | US4638491 Method for protecting the heating electrodes of glass melting furnaces |
| 01/20/1987 | US4637592 Elevated swinging device for placing slag retention devices in tapping converters |
| 01/20/1987 | EP0190313A4 Method and apparatus for continuous steelmaking. |
| 01/20/1987 | CA1216754A1 Process of making steel by melting sponge iron in an electric arc furnace |
| 01/14/1987 | EP0208067A1 Device for measuring temperature in a converter |
| 01/14/1987 | EP0208032A1 Metallurgical recarburizing material |
| 01/14/1987 | CN85109089A Method and apparatus for flame generation |
| 01/13/1987 | US4637033 Bottom electrode for a direct current arc furnace |
| 01/13/1987 | CA1216431A1 Process and apparatus for heating a steel bath charged with scrap |
| 01/10/1987 | CN85101947A Installation with a refractorily lined mallurgical vessel |
| 01/10/1987 | CN85101182A Aerating apparatus used within the body of converter |
| 01/08/1987 | DE3621323A1 Process for producing steel in an electric arc furnace |
| 01/07/1987 | EP0207224A1 Apparatus for introducing substances into liquids e.g. metal melts |
| 01/07/1987 | CN85105246A Reuse of steel slag |
| 01/06/1987 | US4634106 Device for placing slag retention means in tapping converter |
| 01/06/1987 | CA1216145A1 Apparatus for and method of repairing bottom lining of a converter |
| 12/30/1986 | US4632700 Electric arcs |
| 12/30/1986 | EP0205685A1 Steelmaking of an extremely low carbon steel in a converter |
| 12/24/1986 | CN86104384A Manufacture of steel in d.c.furnace |
| 12/23/1986 | US4630802 Nozzle for injection lance |
| 12/17/1986 | EP0205416A2 Process for the valorization of metallurgical slag, and installation for performing the process |
| 12/17/1986 | EP0204973A1 Apparatus for sealing the skirt of a converter waste gas recovery system |
| 12/17/1986 | EP0110904B1 Device for casting, particularly converter for casting and/or post-treating molten metal |
| 12/16/1986 | US4630281 Arc furnace with variable capacity |
| 12/16/1986 | US4629166 Exhaust-gas treatment system for a sealed-type converter |
| 12/16/1986 | CA1215235A1 Treatment agents for molten steel |
| 12/16/1986 | CA1215234A1 Method of steel production from solid iron-containing material |
| 12/10/1986 | EP0204210A1 Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining |
| 12/10/1986 | EP0204076A2 Arrangement of a sleeve for the injection of gases or solids into a ladle containing a metallurgical melt |
| 12/10/1986 | CN86103328A Temperature-measuring devices in converters |
| 12/09/1986 | US4628516 Electrode arrangement in heat run vessels |
| 12/09/1986 | US4627601 Multistage chemical reactor |
| 12/09/1986 | CA1214941A1 Method for the fabrication of special steels in metallurgical vessels |
| 12/09/1986 | CA1214940A1 Process for production of low phosphorus alloy |
| 12/03/1986 | EP0203695A1 Method for refining molten metal bath to control nitrogen |
| 12/03/1986 | EP0203533A2 Method of heating molten steel by arc process |
| 12/03/1986 | EP0203301A1 Process and device for operating a direct current arc furnace |
| 12/03/1986 | CN86102836A Sleeve arrangement for blasting gaseous or solid materials into molten metal container |
| 12/02/1986 | US4626654 Metallurgical plasma melting process |
| 12/02/1986 | CA1214646A1 Removing phosphorous from iron |
| 12/02/1986 | CA1214635A1 Device for injecting gaseous and matters in a bath of molten metal at the refining stage |
| 11/26/1986 | EP0203019A1 Process for the determination, by way of optical emission spectrometry, the concentration of steel in an element, such as aluminium, both dissolved and precipitated |
| 11/20/1986 | EP0201669A1 Direct current arc furnace or ladle |
| 11/19/1986 | CN86103345A Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining |
| 11/18/1986 | CA1214192A1 Plasma melting furnace with other added gas streams |
| 11/12/1986 | EP0201379A1 Process and tilting control system for vessels containing liquid metal |
| 11/12/1986 | CN85205249U Slag ball-throwing device for treating molten metal |
| 11/12/1986 | CA1213928A Method of carrying out metallurgical or chemical processes in a shaft furnace, and a low shaft furnace therefor |
| 11/12/1986 | CA1213849A Method and device for treating and refining liquid metal alloys by direct current electric arc heating |
| 11/11/1986 | US4621793 Superheated material cooling car with heat deflectors that restrict sideways radiation |
| 11/05/1986 | EP0200405A1 Improvements in or relating to the melting of ferrous solids |
| 10/29/1986 | EP0199714A2 Process for the production of steel from sponge iron and plant for carrying out the process |
| 10/28/1986 | US4619694 Method of refining steel and apparatus |
| 10/28/1986 | US4619693 Combustion of dust particles |
| 10/28/1986 | CA1213147A1 Method and installation for the treatment of steel in the casting ladle |
| 10/22/1986 | EP0198267A1 Installation for applying a refractory lining to the inner wall of a vessel |
| 10/22/1986 | CN86102801A Process for the production of steel from sponge iron and plant for carrying out the process |
| 10/21/1986 | US4618963 Direct current arc furnace |
| 10/15/1986 | EP0197330A2 Method for controlling the electrodes in a furnace with freely burning electric arcs |
| 10/14/1986 | US4617672 Electric furnace arrangement |
| 10/14/1986 | US4617671 Arrangement for producing metals, such as molten pig iron, steel pre-material and ferroalloys |
| 10/14/1986 | CA1212595A1 Flow change-over valve for the blowing of fluids into molten metal vessel |
| 10/07/1986 | US4615730 Using oxygen and nitrogen refining gas to decarbon ize, then inert gas to remove nitrogen |
| 10/07/1986 | US4615511 Continuous steelmaking and casting |
| 10/07/1986 | CA1212238A1 Continuous steelmaking and casting |
| 10/01/1986 | EP0195897A2 Water-cooled lance for blowing oxygen onto a metal bath |
| 10/01/1986 | CN86102142A Lance supporting device |
| 10/01/1986 | CN85100456A Electricity saving high productivity electric-arc furnace |
| 09/30/1986 | US4615035 Bottom electrode arrangement for an electric furnace |
| 09/30/1986 | US4614540 Process for the removal of contaminating elements from pig-iron, steel, other metals and metal alloys |
| 09/24/1986 | CN86101289A Electrical connection device intended to be placed through the wall of a direct-current metallurgical furnace |
| 09/23/1986 | US4613113 Apparatus for blowing powdery refining agent into refining vessel |
| 09/23/1986 | CA1211630A1 Lance structure and oxygen-blowing process for top- blown converters |
| 09/16/1986 | USRE32247 Process for the direct production of steel |
| 09/16/1986 | US4612650 DC arc furnace |
| 09/16/1986 | US4612046 Insulating and slag inducing composition and method for molten metal contact |