Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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06/18/1986 | EP0184723A1 Method for treating carbide-based desulfurizing reagents for injection into molten iron |
06/17/1986 | US4595178 Leg for vacuum tank for refining molten steel |
06/10/1986 | CA1205637A1 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 |
06/03/1986 | US4592538 Apparatus for producing predominately iron alloy containing magnesium |
06/03/1986 | CA1205289A1 Process for producing steel in a converter from pig iron and ferrous scrap |
05/27/1986 | US4590988 Method and apparatus for supplying molten metal in the manufacture of amorphous metal ribbons |
05/22/1986 | WO1986002949A1 Method for the treatment of metals and alloys for the refining thereof |
05/21/1986 | EP0181853A1 Gas flushing plug for metallurgical furnaces and vessels |
05/20/1986 | US4589916 Ultra clean stainless steel for extremely fine wire |
05/20/1986 | US4589915 Removing slag |
05/20/1986 | CA1204596A1 Refining agent of molten metal and methods for producing the same |
05/14/1986 | EP0180741A1 Process and installation for maintaining or increasing the temperature of a metal melt |
05/09/1986 | WO1986002583A1 Process and device for detecting slag |
05/06/1986 | US4586956 Method and agents for producing clean steel |
05/06/1986 | CA1203996A1 Method and apparatus for the detection and measurement of particulates in molten metal |
04/30/1986 | EP0179337A1 Process for refining molten steel |
04/30/1986 | EP0179336A1 Method of refining molten steel by arc process |
04/23/1986 | EP0178480A2 Method and apparatus for controlled melt refining |
04/23/1986 | EP0178310A1 Pneumatic charger for feeding pulverized and granular materials into metal melts. |
04/16/1986 | EP0177908A1 Arc-heating type extra-furnace refining apparatus |
04/16/1986 | EP0177851A1 Steel materials for welded structures |
04/09/1986 | EP0176536A1 Apparatus for and a method of removing material. |
04/08/1986 | US4581203 Using alkaline earth metal containing alloy or calcium carbide as |
04/02/1986 | EP0176152A1 Method of injection of wire into molten steel and apparatus for uncoiling wire for use in the method |
04/02/1986 | EP0175924A1 Process for refining pig iron |
03/25/1986 | CA1202186A1 Method of refining molten metal with stirring by repeated operation of suction and discharge |
03/25/1986 | CA1202181A1 Process to produce low hydrogen steel |
03/12/1986 | EP0174061A1 Continuous vacuum degassing and casting of steel |
03/11/1986 | US4575393 Metallurgy |
03/05/1986 | EP0173669A2 Tiltable metallurgical vessel |
03/04/1986 | CA1201270A1 Method and device for the protection of a stream of molten metal in the course of pouring |
02/27/1986 | WO1986001230A1 Method and apparatus for continuous steelmaking |
02/26/1986 | EP0172785A1 Metallurgical vessel |
02/25/1986 | US4572818 Process for purifying metal compositions |
02/25/1986 | US4572747 From ferrous or non-ferrous melts; reduction of boron compounds with aluminum, silicon or carbon |
02/25/1986 | US4572737 Agents for the removal of impurities from a molten metal and a process for producing same |
02/19/1986 | EP0171543A1 Method for manufacturing metallic semi-finished products |
02/18/1986 | CA1200692A1 Permeable refractory element for the injection of a stirring fluide into a molten metal bath |
02/12/1986 | EP0171350A1 Metallurgical vessel |
02/12/1986 | EP0171220A1 Dispenser for synthetic slag forming material |
02/12/1986 | EP0171107A1 Method for manufacturing a body comprised of molten-steel soluble elements |
02/12/1986 | EP0170900A1 Process for the removal of contaminating elements from pig- iron, steel, other metals and metal alloys |
02/10/1986 | CN85103477A Equipment for vacuum refining of molten steel |
02/05/1986 | EP0170407A1 Agents for the removal of impurities from a molten metal and a process for producing same |
02/05/1986 | EP0170322A2 Equipment for mixing powder- and/or granule-like components from a body to be compressed under high pressure |
02/04/1986 | US4568386 Process for purifying metals by insufflation and product produced thereby |
01/29/1986 | EP0169290A2 Device for use in the degassing of molten metal |
01/21/1986 | US4565355 Flushing arrangement for a metallurgical vessel |
01/21/1986 | CA1199702A1 Process for the decarburization of molten metal |
01/15/1986 | EP0168251A1 Apparatus for immersing solids into fluids and moving fluids in a linear direction |
01/15/1986 | EP0167915A1 Reactor iron making |
01/15/1986 | EP0167895A1 Process and installation for the production of steel from scrap |
01/14/1986 | US4564390 Decarburizing a metal or metal alloy melt |
01/14/1986 | US4564388 Method for continuous steelmaking |
01/08/1986 | EP0167037A1 Bottom electrode for pouring ladles |
01/08/1986 | EP0166908A1 Process for the manufacture of boron-containing steels |
01/08/1986 | EP0166868A2 Method of and installation for metallurgical after-treatment of premelted steel |
01/07/1986 | CA1198900A1 Method and apparatus for treating liquid metal in a vessel |
12/31/1985 | US4561912 Carbonaceous powder in greater proportions on surface of granules |
12/31/1985 | US4561894 For desulfurization and dephosphorization of steel and molton iron |
12/31/1985 | CA1198573A1 Process for continuous casting of aluminum deoxized steel |
12/24/1985 | US4560406 Aluminum as reducing agent and calcium oxide as slag forming agent to allow simultaneous reduction and desulfurization |
12/24/1985 | US4560405 Process for desulfurizing molten steel |
12/24/1985 | US4560149 Gas bubble brick for metallurgical vessels |
12/18/1985 | EP0165198A2 Lance for accelerating solid particles |
12/17/1985 | US4559084 Salt-coated magnesium granules |
12/11/1985 | EP0163784A1 Two stage deoxidation process in steel-making |
12/10/1985 | CA1197682A1 Apparatus for degassing molten metal |
11/27/1985 | EP0162789A1 Installation for the treatment of steel by injection of gas before continuous casting |
11/26/1985 | US4555662 Method and apparatus for the detection and measurement of particulates in molten metal |
11/26/1985 | US4555267 Making steel from scrap |
11/26/1985 | US4555265 Method of treating steel with calcium, to obtain a steel well adapted to cold forming, with a low silicon content |
11/26/1985 | US4555264 Vacuum degassing |
11/21/1985 | EP0161950A1 Installation and process for the continuous charging of a reactor vessel with solids, preheated by the waste gases of the reactor vessel |
11/12/1985 | US4552587 Method of operating ladle refining furnace |
11/07/1985 | WO1985004905A1 Process for controlling slag chemistry in a refining vessel |
11/06/1985 | EP0160376A2 Method for producing steel in a top oxygen blown vessel |
11/06/1985 | EP0160375A2 System and method for producing steel in a top-blown vessel |
11/06/1985 | EP0160374A2 Method for producing steel in a top-blown vessel |
11/05/1985 | US4551175 Method for controlling slag chemistry in a refining vessel |
11/05/1985 | US4551174 Method of refining molten steel by arc process |
11/05/1985 | US4551173 Method for adjusting composition of molten steel in arc process |
11/05/1985 | CA1196196A1 Method of stirring molten metal refractory cylinder for the purpose |
10/30/1985 | EP0159971A1 A blast pipe |
10/30/1985 | EP0159517A1 Rapid decarburization steelmaking process |
10/30/1985 | EP0159459A1 Production of tool steels using chemically prepared V2O3 as a vanadium additive |
10/23/1985 | EP0158762A1 Production of alloy steels using chemically prepared V2O3 as a vanadium additive |
10/22/1985 | CA1195495A1 Apparatus for refining molten metal |
10/22/1985 | CA1195476A1 Method for adding ingredient to steel as shot |
10/10/1985 | WO1985004416A1 Pneumatic charger for feeding pulverized and granular materials into metal melts |
10/09/1985 | EP0157104A1 Method and apparatus for the heating and melting of materials |
10/08/1985 | US4545815 Injection oxygen under vacuum |
10/08/1985 | CA1194698A1 Plunging-capsule |
10/02/1985 | EP0156706A1 Process for refining metals by injection |
10/02/1985 | EP0156459A1 A method of producing boron alloy and a product produced by the method |
10/02/1985 | EP0156157A1 Additive for metallurgic liquids being effective to improve the characteristics of metal or metal alloy articles of manufacture |
10/01/1985 | US4544405 Decarbonization in convertor before ladle treatment |
09/26/1985 | WO1985004193A1 Production of alloy steels using chemically prepared v2o3 as a vanadium additive |
09/26/1985 | WO1985004192A1 Production of tool steels using chemically prepared v2o3 as a vanadium additive |
09/26/1985 | WO1985004191A1 Apparatus for and a method of removing material |