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| Number | Title | Issue Date |
| 6983007 | Method of manufacturing electrodes and a reusable header for use therewith A method of manufacturing titanium electrodes in a vacuum arc remelting furnace as well as a reusable header for use in the remelting process is disclosed. An electrode may be attached to the reusable header and remelted in the furnace a number of times until a fina... | 01/03/2006 |
| 6853672 | Method for producing metal blocks or bars by melting off electrodes and device for carrying out this method A method for producing metal ingots or billets, especially from steels and Ni- and Co- base alloys, by melting off consumable electrode in an electroconductive slag bath using alternating or direct current in a short, downwardly opening, water-cooled mould through w... | 02/08/2005 |
| 6349107 | Method of magnetically-controllable, electroslag melting of titanium and titanium-based alloys, and apparatus for carrying out same A method of magnetically-controllable, electroslag melting of titanium and titanium-based alloys is provided that includes the effect of an external radial magnetic field on the metallurgical melt. The field forms at least two adjoining melting layers whi... | 02/19/2002 |
| 6113666 | Method of magnetically-controllable, electroslag melting of titanium and titanium-based alloys, and apparatus for carrying out same A method of magnetically-controllable, electroslag melting of titanium and titanium-based alloys is provided that includes the effect of an external radial magnetic field on the metallurgical melt. The field forms at least two adjoining melting layers whi... | 09/05/2000 |
| 6104742 | Electroslag apparatus and guide A melt guide is provided for enclosing a bottom of an electroslag refining crucible containing a melt of electroslag refined metal. The guide includes an upper plate sized to engage the crucible bottom for attachment thereto, and includes an upper orifice... | 08/15/2000 |
| 6034985 | Remelting method for recognition and recovery of noble metals and rare earths Method for recognition of noble metals otherwise not recognizable in base material clusters includes using an electric arc furnace in which base material clusters are disintegrated to free atoms or are alloyed with other components of the base materials, ... | 03/07/2000 |
| 5974075 | Method of Magnetically-controllable, electroslag melting of titanium and titanium-based alloys and apparatus for carrying out same A method of magnetically-controllable, electroslag melting of titanium and titanium-based alloys which provides high homogeneity over substantially the total ingot length is provided. The homogeneity of the ingot is achieved by maintaining the maximum per... | 10/26/1999 |
| 5930284 | Multiple input electrode gap controller A method and apparatus for controlling vacuum arc remelting (VAR) furnaces by estimation of electrode gap based on a plurality of secondary estimates derived from furnace outputs. The estimation is preferably performed by Kalman filter. Adaptive gain tech... | 07/27/1999 |
| 5274662 | Remelting arc furnace with movable electrode A remelting furnace has a crucible and a raisable pot placed thereon. An electrode rod leads into the pot through a passage sealed by means of a seal carried by a lower platform. The lower platform is connected to the pot by a hitch having free play, and ... | 12/28/1993 |
| 5260966 | Remelting arc furnace with movable electrode A remelting furnace has a crucible (2) and a raisable pot (3) placed thereon. An electrode rod (6) leads into the pot (3) through a stuffing box (8) borne by a lower platform (9). The lower platform (9) is carried by rods (12, 13) which are fastened each ... | 11/09/1993 |
| 5103458 | Electric arc remelting A process for casting an ingot of pre-alloyed metal from a consumable electrode. It includes the steps of: providing a consumable electrode corresponding to the desired metallurgical composition of the to-be-cast ingot; providing a second electrode; strik... | 04/07/1992 |
| 4951298 | Closed remelting furnace having several horizontally movable furnace lower portions A closed remelting furnace 1 includes a vertical furnace axis A-A, an electrode supporting rod 15 for a consumable electrode 23, a furnace body 29 which has a driving mechanism for the electrode supporting rod and several furnace lower portions 6, 7 each ... | 08/21/1990 |
| 4873063 | Apparatus for zone regrowth of crystal ribbons Apparatus for producing crystalline ribbons of a material from a "crucible-less" configuration of bodies of the material including possible deposition on a substrate. Means for capacitively coupling electromagnetic energy into a source body of material ar... | 10/10/1989 |
| 4856576 | Zirconium-containing coating composition A paint or coating composition which contains only pure Ziroconium containing compounds, and a small amount of NH4 (OH)2 and acid is applied to the vertical walls of a vacuum arc furnace Copper crucible to form a stable, substantiall... | 08/15/1989 |
| 4754542 | Process of fabricating spar-type consumable electrode for vacuum arc melting of zirconium or titan alloys with wedged-on segment This is an improved electrode for consumable vacuum arc melting of zirconium and titanium alloys, for alloys containing a low melting point alloying material or for very low oxygen zirconium. Electrodes of this type use a low resistance spar extending sub... | 07/05/1988 |
| 4578794 | Metallurgical vessel The metallurgical vessel comprises a continuous wall and a bottom plate and such vessel constitutes a mold for electrically remelting an electrode by resistance heating of an electrically conductive slag bath. The metallurgical vessel further comprises so... | 03/25/1986 |
| 4539688 | Spar type consumable electrodes for vacuum arc melting of zirconium or titanium alloys This is an electrode for consumable arc melting of zirconium and titanium alloys containing a low melting point alloy constituent. The electrode uses a low resistance spar extending substantially the length of the electrode and being substantially free of... | 09/03/1985 |
| 4304953 | Method of producing a consumable electrode of large diameter A method of and apparatus for producing consumable electrodes with large diameters to be used for remelting involves assembling the electrode of individual longitudinal parts adjacently arranged. Which longitudinal parts are continuously cast in special m... | 12/08/1981 |
| 4007770 | Semi-consumable electrode vacuum arc melting process for producing binary alloys A process for producing homogeneous binary alloys comprised of a first element present in a major amount having a melting point below the liquidus of the binary alloy and a second element present in a minor amount having a melting point above the liquidus... | 02/15/1977 |
