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| Number | Title | Issue Date |
| 7371342 | Method for unlocking nozzles of reactors Method intended to unblock enriched air blow or reaction gases nozzles in reactors or fusion converters for mining industry pyrometallurgy CHARACTERIZED by the injection of discrete air impacts with time intervals regulated to high pressure and rate through the enri... | 05/13/2008 |
| 7282171 | Method for oxy-fuel combustion An oxygen fueled combustion system includes a furnace having at least one burner, an oxygen supply for supplying oxygen having a predetermined purity, and a carbon based fuel supply for supplying a carbon based fuel. The oxygen and the carbon based fuel are fed into... | 10/16/2007 |
| 6433451 | Method and electric motor with rotational stator An electric composite rotating machine haveing two rotors, capable of developing mechanical power and of runing on two rotational direction at selfadjutable speeds, of differential type, with 40% increase of output, doubling the torque at 30% reduction of... | 08/13/2002 |
| 6210501 | Heavy-duty cold-rolling for mechanically descaling a hot-rolled steel strip before pickling When a hot-rolled steel strip 1 is rolled at a large rolling reduction by a cold-rolling mill 4, cracking and interlayer peeling occur in those mill-scales which can not keep up with the elongation of base steel so as to weaken the adhesiveness of the mil... | 04/03/2001 |
| 5517950 | System for slag removal and the like A cleaning system comprises a compressor for delivering pressurized air to an accumulator via a valve controlled line. An outlet line extends from the accumulator and terminates adjacent a furnace floor drain. Upon command the entire volume of pressurized... | 05/21/1996 |
| 5355844 | System for slag removal and the like A cleaning system comprises a compressor for delivering pressurized air to an accumulator via a valve controlled line. An outlet line extends from the accumulator and terminates adjacent a furnace floor drain. Upon command the entire volume of pressurized... | 10/18/1994 |
| 5152952 | Device for unclogging a lance intended to be inserted into a metallurgical vessel This device comprises a fixed support constituted by a cylindrical collar 14, through which the lance 5 may be axially displaced and scraping fingers 16 whose extremities, which comprise cleaving means 21, may be held substantially in contact with the lan... | 10/06/1992 |
| 4586895 | Method of removing slag from oxygen fuel burner During the operation of an oxygen-fuel burner the supply of fuel is reduced to generate an oxygen-rich low velocity flame. The excess oxygen of the flame is heated by the flame and oxidizes any slag accumulated on or about the burner.... | 05/06/1986 |
| 4114865 | Silencer for use on tuyere punchers A silencer for use with a tuyere puncher is disclosed. The silencer comprises a chamber having a front face and a rear face provided with a central opening for passing of the punch bar operated by the puncher, a plurality of closure members located in the... | 09/19/1978 |
