| Patents for C21C 5 - Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel (14,381) |
|---|
| 05/11/1982 | US4329171 Steel making method |
| 05/11/1982 | US4328956 Taphole assembly and method of installation |
| 05/05/1982 | EP0050743A1 Process for producing steel in the basic converter by making use of liquid converter slag |
| 05/04/1982 | US4328031 Concurrent; minimization of oxygen flow; pig iron; steels |
| 05/04/1982 | US4328030 Steel making process and apparatus |
| 04/27/1982 | US4327241 Explosion venting means for metallurgical furnace |
| 04/27/1982 | US4326701 Lance apparatus |
| 04/27/1982 | CA1122415A1 Synthetic flux for steel slag |
| 04/21/1982 | EP0049926A1 Tiltable electric-arc furnace |
| 04/20/1982 | US4325730 Process for conditioning slag during the refining of a metal bath |
| 04/20/1982 | US4325540 Apparatus for supplying fluids to a converter |
| 04/13/1982 | US4324943 DC Arc furnace hearth construction |
| 04/13/1982 | US4324584 Supersonic flow of oxygen to expel slag and form oxides which are reduced by carbon in pig iron |
| 04/13/1982 | CA1121602A1 Lime bearing agent for use in refining of ferrous melt |
| 04/07/1982 | EP0049148A1 A method of preventing damage to an immersed tuyere of a decarburization furnace in steel making |
| 04/01/1982 | WO1982001013A1 Method for controlling bottom-blown gas in top-and bottom-blown converter smelting |
| 04/01/1982 | WO1982001012A1 Method for smelting using top-and bottom-blown converter |
| 03/30/1982 | US4322244 Process for feeding carbon to an iron melt in a converter |
| 03/30/1982 | US4322033 Lance and method for removing skulls from steelmaking vessels |
| 03/23/1982 | US4321088 Process for treating pig iron melts and steel melts or alloys |
| 03/23/1982 | US4320668 Sub-lance assembly for sampling and temperature-measuring of molten metal during refining thereof |
| 03/18/1982 | WO1982000835A1 A blow-smelting process using a top-and bottom-blowing converter |
| 03/16/1982 | US4320245 Process and apparatus for arc control in arc furnaces |
| 03/10/1982 | EP0046811A1 Process for recovering co-rich off-gas in metal smelting |
| 03/09/1982 | CA1119412A1 Process for refining ferromanganeses |
| 03/09/1982 | CA1119401A1 Chute for charging steel making vessels |
| 03/09/1982 | CA1119398A1 Method of controlling the suction gas pressure of a sulfuric acid plant for treatment of smelter exhaust gas |
| 03/03/1982 | EP0046721A1 Nozzle for oxygen-injection lances used in the decarburisation of pig iron, in particular chromium pig iron |
| 03/02/1982 | US4317806 Method and apparatus for dedusting and absorption of contaminating gases being the exhaust gases of waste-incinerating devices and hot-air cupola furnaces |
| 03/02/1982 | US4317561 Holder for an oxygen lance |
| 03/02/1982 | CA1119002A1 Process for the production of nickel alloys |
| 02/23/1982 | CA1118758A1 Cooling device for hot gases pipes |
| 02/16/1982 | US4315774 Method of safely injecting oxygen reactive materials into a submerged oxygen gas stream |
| 02/16/1982 | US4315772 Process for steel production and converter for carrying out the process |
| 02/16/1982 | CA1118212A1 Method for converter blow control |
| 02/10/1982 | EP0045658A1 Gas inlet orifice monitoring |
| 02/09/1982 | US4314694 Method for controlling exhaust gases in oxygen blown converter |
| 01/26/1982 | US4312666 Reduction with carbon to sponge iron, electro-slag resistance melting, electromagnetic separation |
| 01/19/1982 | CA1116407A1 Process and apparatus for melting cast iron borings |
| 01/13/1982 | EP0043787A1 Gas-permeable body of fire-resistant material |
| 01/12/1982 | CA1115963A1 Method for the refining of steel |
| 01/12/1982 | CA1115962A1 Steelmaking process |
| 01/06/1982 | EP0043338A1 Gas-permeable body of fire-resistant material |
| 01/06/1982 | EP0043238A1 Method of dephosphorizing molten pig iron |
| 01/05/1982 | CA1115759A1 Refining ferrous melt |
| 12/29/1981 | US4308415 Process for refining a molten metal and an apparatus therefor |
| 12/29/1981 | US4308057 Steel making by converter |
| 12/29/1981 | CA1115060A2 Use of argon to prepare low-carbon, low-nitrogen steels in the basic oxygen process |
| 12/29/1981 | CA1115059A2 Use of argon to prepare low-carbon, low-nitrogen steels in the basic oxygen process |
| 12/22/1981 | US4307263 Device for balancing the forces acting on the electrode in electro-slag furnaces |
| 12/22/1981 | CA1114872A1 Gas tight seal for electrodes in smelting furnaces |
| 12/15/1981 | US4306030 Wear resistant linings, bricks |
| 12/08/1981 | US4304598 Method for producing steel from solid, iron containing pieces |
| 12/08/1981 | CA1113716A1 Tap-hole closing arrangement |
| 12/08/1981 | CA1113714A1 Tensioning device for tension elements on metallurgical vessels, more particularly interchangeable converters |
| 12/08/1981 | CA1113677A1 Carrying tower for a metallurgical vessel |
| 12/02/1981 | EP0040870A1 Process of treating a dust which contains zinc and lead and which is derived from an iron or steel making process |
| 12/01/1981 | US4303363 Work facilitating apparatus for conveying building material from a higher to a lower level |
| 12/01/1981 | US4303230 Apparatus for the production of steel and iron alloys |
| 12/01/1981 | US4303229 Mechanical punching device for punching the tuyeres of a converter |
| 12/01/1981 | CA1113449A1 Process and apparatus for the cooling of gas pipe bends |
| 11/25/1981 | EP0040285A1 Metallurgical process and furnace |
| 11/24/1981 | US4302244 Decarbonization with bottom-blown oxygen |
| 11/24/1981 | US4301969 Oxygen lance nozzle |
| 11/24/1981 | CA1112879A1 Process for steelmaking by oxygen injection |
| 11/18/1981 | EP0040112A1 Steel-making converters |
| 11/03/1981 | US4298378 Rotary steel converter, method of making steel there-with and method of applying refractory lining to converter |
| 11/03/1981 | CA1111640A1 Cooled nozzle for blowing gases in a multen metal bath |
| 10/27/1981 | US4296921 Winding a tape or cloth comprising inorganic fibers impregnated with a binder and refractory particles; shockproof |
| 10/27/1981 | CA1111245A1 Tap-hole closing arrangement of a metallurgical vessel |
| 10/27/1981 | CA1111243A1 Tiltable converter arrangement |
| 10/20/1981 | US4295882 Steel making process |
| 10/14/1981 | EP0037792A1 Device for measuring the level of slag in a furnace for molten metal during pig iron refining |
| 10/13/1981 | US4294611 Process and apparatus for reducing the inclusion content of steels and for refining their structure |
| 10/13/1981 | US4294432 Method and apparatus for cooling BOF hood paneling |
| 10/13/1981 | US4294431 Method of providing and maintaining a wear-lining of a steel converter and a steel converter having such a lining |
| 10/07/1981 | EP0037357A1 Device for measuring the levels of molten metal and slag in a smelting furnace during pig iron refining |
| 10/06/1981 | US4293123 Blow lance |
| 10/06/1981 | CA1110075A2 Process for the direct production of steel |
| 09/29/1981 | US4292082 Unshaped refractories |
| 09/29/1981 | US4292073 Steel making process |
| 09/29/1981 | US4291585 Device for sampling molten steel |
| 09/22/1981 | US4290802 Steel making process |
| 09/22/1981 | US4290800 Process for feeding iron sponge into an electric arc furnace |
| 09/22/1981 | US4290306 Method and apparatus for probing into a refining furnace or the like for temperature measurement for sampling, or for both |
| 09/09/1981 | EP0035451A1 Process for the simultaneous and separate introduction of at least one gas and a pulverulent material by means of a tuyere for metallurgical purpose |
| 09/09/1981 | EP0035109A1 Turning moment support for shaft mounted drives, particularly for converter tilting drives |
| 09/08/1981 | CA1108407A1 Arc furnace steelmaking |
| 09/03/1981 | WO1981002429A1 Process for recovering co-rich off-gas in metal smelting |
| 09/02/1981 | EP0034766A2 Method for obtaining samples of molten metal |
| 09/02/1981 | EP0034639A1 Synthetic flux for steel slag |
| 09/01/1981 | US4286776 Arrangement of a steel-making plant for capturing and conducting away flue gases |
| 09/01/1981 | US4286678 Carrying tower for a metallurgical vessel |
| 09/01/1981 | CA1108269A1 Molten metal level indication in receptacles |
| 09/01/1981 | CA1107971A1 Use of argon to prepare low-carbon, low-nitrogen steels in the basic oxygen process |
| 08/19/1981 | EP0034108A1 Method for refining a metal melt |
| 08/19/1981 | EP0033780A1 Method for preventing slopping during subsurface pneumatic refining of steel |
| 08/18/1981 | US4284266 Metallurgical vessel capable of receiving fluids in separate flow paths while pivoting |
| 08/18/1981 | CA1107080A1 Submerged injection of gas into liquid pyro- metallurgical bath |
| 08/11/1981 | US4283223 Process for treating smoke from steel plants |