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A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
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| Number | Title | Issue Date |
| 6805723 | Method and reactor for production of aluminum by carbothermic reduction of alumina A hollow partition wall is employed to feed carbon material to an underflow of a carbothermic reduction furnace used to make aluminum. The partition wall divides a low temperature reaction zone where aluminum oxide is reacted with carbon to form aluminum carbide and... | 10/19/2004 |
| 6440193 | Method and reactor for production of aluminum by carbothermic reduction of alumina The present invention relates to a process for carbothermic production of aluminum where molten bath aluminum carbide and aluminum oxide are produced in a low temperature compartment (2), and continuously flow into a high temperature compartment (3) where... | 08/27/2002 |
| 5887016 | Charging device for arc furnaces A charging device for closed arc furnaces having at least one electrode around which the charge material is concentrically fed into the furnace. Conveyor devices run in protected fashion in an annular chamber disposed above a furnace cover. A plurality of... | 03/23/1999 |
| 5850413 | Device to support and swing the hearth in an electric furnace Device to support and swing the hearth in an electric furnace, whether it be the type operating on direct or alternate current, the furnace being able to be of the channel type, EBT with the hearth lowered or not, OBT or other type, the hearth (11) cooper... | 12/15/1998 |
| 5390212 | Installation for producing molten metal in an electric furnace Installation for producing steel by melting scrap comprising an electric furnace (2') supplied with individual batches of scrap sequentially charged into the furnace after preheating in a preheating chamber (4) forming a batch container open at both ends ... | 02/14/1995 |
| 5297160 | Furnace electrode design An arc furnace comprising a furnace vessel having a transverse axis and a central axis, electrodes disposed on a graduated circle, the electrodes projecting into the furnace vessel parallel to the central vertical axis, the electrodes are mounted on an el... | 03/22/1994 |
| 5257280 | Gas introducing and stirring apparatus of metallurgical vessel The present invention has been devised to obtain a metallurgical effect by introducing refining gas into a molten metal in a metallurgical vessel and stirring the molten metal sufficiently by convection, and to improve durability of one nozzle or a few no... | 10/26/1993 |
| 5245627 | Use of a radiating arc furnace for treating a dross containing a metal in order to recover this metal A process is disclosed, for treating dross containing a metal such as aluminum, in order to recover this metal, In this process, the dross to be treated is introduced into a rotary or oscillating furnace, in which it is heated to a temperature above the m... | 09/14/1993 |
| 5153894 | Smelting plant with removable shaft-like charging material preheater This invention is directed to a smelting plant with shaft-like charging material preheater. In a smelting plant with an electric arc furnace (1) and a charging material preheater (2) of shaft configuration arranged laterally on the furnace, the outer wall... | 10/06/1992 |
| 4763337 | Process for melting particulate material In order to melt particulate material in an electric furnace with the help of at least one electric arc burning between a burner electrode arranged in the lid of the furnace and a bottom electrode arranged in the bottom of the furnace, the material is int... | 08/09/1988 |
| 4347614 | Apparatus for refining ferrosilicon A gas having high CO content evolved at reaction zone in a ferrosilicon-refining electric furnace is burned and deflected to wipe transversely on the top level of the charged raw materials with the aid of air introduced near electrodes through an air pipe... | 08/31/1982 |
| 4071687 | Electric arc furnace for continuous melting of directly reduced iron or directly reduced iron ore A direct-heat arc furnace for the production of molten iron by continuously melting and reducing directly reduced iron or directly reduced iron ore, which comprises electrodes fixed in position and a furnace body to be driven so that the relative position... | 01/31/1978 |
| 4060409 | Mechanically stirred furnace for pyrometallurgical operations and processes The present specification discloses a pyrometallurgical system for maintaining a material in a molten state, the system comprising a vessel for molten material, the vessel conceptually dividable into a number of substantially uniform cells. A mechanical s... | 11/29/1977 |
| 4005252 | Apparatus for gas collection in open electric smelting furnaces A gas collection apparatus for use in open electrical smelting furnaces is disclosed. The apparatus comprises an annular body about the outer circumference of the furnace and sealed to the top edge of the furnace on one side thereof with a sloped wall ext... | 01/25/1977 |
| 3975575 | Rotatable furnace pot for smelting furnaces An improved rotatable furnace pot for smelting furnaces is disclosed. The furnace pot is segmented into upper and lower sections rotatable with respect to each other whereby substantial advantage is obtained as compared to unitary rotatable smelting pots.... | 08/17/1976 |
| 3975576 | Rotatable furnace pot including stoking means A rotatable furnace pot including stoking apparatus is disclosed. The stoking apparatus is disposed within the side wall of the pot whereby the charge can be moved inward and upward in the furnace pot rather than compressed.... | 08/17/1976 |
| 3950601 | Electric furnace An electric furnace for the melting of metallic and non-metallic charge, comprising an annular hearth which houses the electrodes connected to a power supply. The central zone of the furnace can accommodate the spouts for discharging the melt, supports wi... | 04/13/1976 |
