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| Number | Title | Issue Date |
| 4197116 | Method and apparatus for automatically controlling the rate of flux injection to a converter Flux is injected into the oxygen stream being fed to the tuyeres of a steel-refining converter, such as a Q-BOP converter or the like, and the rate of injection is controlled by varying the size of the outlet orifice of the flux-containing tank. The tank ... | 04/08/1980 |
| 4136857 | Method and apparatus for automatically controlling the rate of flux injection to a converter Flux is injected into the oxygen stream being fed to the tuyeres of a steel-refining converter, such as a Q-BOP converter or the like, and the rate of injection is controlled by varying the size of the outlet orifice of the flux-containing tank. The tank ... | 01/30/1979 |
| 4047937 | Method for controlling the operation of a steel refining converter A method for controlling the operation of a steel refining converter of the type having bottom tuyeres, each tuyere consisting of a center jet surrounded by annulus jets is disclosed. Controls are provided for blowing oxygen through the center jets and a ... | 09/13/1977 |
| 3999977 | Method for controlling the injection of flux into a steelmaking vessel as a function of pressure differential This invention is directed to a method and apparatus for controlling the injection of flux into a steelmaking vessel as a function of the differential pressure between the flux containing tank and the main conduit which supplies oxygen to the tuyeres of t... | 12/28/1976 |
| 3997335 | Method of optimum burning of carbon monoxide in a converter An improved method of optimum burning of carbon monoxide in a carbon monoxide zone (being fed oxygen by a side tuyere) above a molten metal bath in a converter to carbon dioxide is disclosed. The improved method includes the steps of: A. sensing an initial eff... | 12/14/1976 |
| 3980525 | Increasing ethylene feedstock gases produced by quenching effluent zone above coke bed with cooling liquid A method of and apparatus for increasing yields of certain recoverable gases, particularly ethylene feedstocks, produced during the manufacture of coke from a raw material in a coking apparatus is disclosed. The method includes the steps of heating the raw mat... | 09/14/1976 |
| 3970446 | Method of refining an iron base melt A method of oxygen refining molten hot metal to steel by blowing an oxygen stream at a predetermined flow rate from an oxygen supply source having a pressure from about 12 to about 18 atmospheres through the molten hot metal from a tuyere located beneath ... | 07/20/1976 |
| 3933562 | Method of laminating a plastic sheet onto a surface of a hollow body A method of laminating a plastic sheet onto a surface of a hollow body is disclosed. The method of laminating a plastic sheet onto a surface of a hollow body includes the steps of loading the hollow body into the female die, securing the plastic sheet in ... | 01/20/1976 |
