| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2157606ADE2157606C3 (en) | 1971-11-20 | 1971-11-20 | Method and device for the heat treatment of a material by means of an arc discharge plasma |
| DE2237378ADE2237378A1 (en) | 1971-11-20 | 1972-07-29 | PROCESS FOR EXTRACTION OF METAL BY REDUCING A METAL COMPOUND IN AN ARC DISCHARGE PLASMA |
| Publication Number | Publication Date |
|---|---|
| NO131795B NO131795B (en) | 1975-04-21 |
| NO131795Ctrue NO131795C (en) | 1975-07-30 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO4213/72ANO131795C (en) | 1971-11-20 | 1972-11-17 |
| Country | Link |
|---|---|
| US (2) | US3852061A (en) |
| JP (1) | JPS4863941A (en) |
| BE (1) | BE791550A (en) |
| DE (2) | DE2157606C3 (en) |
| FR (1) | FR2160519B1 (en) |
| GB (1) | GB1418641A (en) |
| IT (1) | IT973517B (en) |
| LU (1) | LU66498A1 (en) |
| NL (1) | NL7215108A (en) |
| NO (1) | NO131795C (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980467A (en)* | 1973-02-16 | 1976-09-14 | Camacho Salvador L | Method of operating a batch type annealing furnace using a plasma heat source |
| US3974245A (en)* | 1973-12-17 | 1976-08-10 | Gte Sylvania Incorporated | Process for producing free flowing powder and product |
| GB1511832A (en)* | 1974-05-07 | 1978-05-24 | Tetronics Res & Dev Co Ltd | Arc furnaces and to methods of treating materials in such furnaces |
| US3944412A (en)* | 1974-09-18 | 1976-03-16 | Hsin Liu | Method for recovering metals |
| US4169962A (en)* | 1974-10-02 | 1979-10-02 | Daidoseiko Kabushikikaisha | Heat treating apparatus |
| US3989511A (en)* | 1975-03-10 | 1976-11-02 | Westinghouse Electric Corporation | Metal powder production by direct reduction in an arc heater |
| US4002466A (en)* | 1975-11-03 | 1977-01-11 | Bethlehem Steel Corporation | Method of reducing ores |
| IT1055884B (en)* | 1976-02-17 | 1982-01-11 | Montedison Spa | PLASMA ARC PROCEDURE OF METALLIC AND SIMILAR CERAMIC PRODUCTS |
| US4234334A (en)* | 1979-01-10 | 1980-11-18 | Bethlehem Steel Corporation | Arc control in plasma arc reactors |
| FR2446324A1 (en)* | 1979-01-15 | 1980-08-08 | Karlovitz Bela | Thermal redn. of metal oxide(s) - esp. aluminium oxide by discharging oxide powder into reactor to create vortex and applying electrical discharge |
| US4361441A (en)* | 1979-04-17 | 1982-11-30 | Plasma Holdings N.V. | Treatment of matter in low temperature plasmas |
| US4431612A (en)* | 1982-06-03 | 1984-02-14 | Electro-Petroleum, Inc. | Apparatus for the decomposition of hazardous materials and the like |
| US4711660A (en)* | 1986-09-08 | 1987-12-08 | Gte Products Corporation | Spherical precious metal based powder particles and process for producing same |
| US4711661A (en)* | 1986-09-08 | 1987-12-08 | Gte Products Corporation | Spherical copper based powder particles and process for producing same |
| US4670047A (en)* | 1986-09-12 | 1987-06-02 | Gte Products Corporation | Process for producing finely divided spherical metal powders |
| US5135565A (en)* | 1991-04-16 | 1992-08-04 | The Boc Group, Inc. | Recovery of aluminum from dross using the plasma torch |
| US5984444A (en)* | 1997-06-26 | 1999-11-16 | James M. Hawley | Electrostatic three dimensional printer |
| AT414215B (en) | 2003-02-12 | 2006-10-15 | Peter Ziger | ANNEX TO PLASMA PROCESSING |
| US20050035085A1 (en)* | 2003-08-13 | 2005-02-17 | Stowell William Randolph | Apparatus and method for reducing metal oxides on superalloy articles |
| JP4955027B2 (en)* | 2009-04-02 | 2012-06-20 | クリーン・テクノロジー株式会社 | Control method of plasma by magnetic field in exhaust gas treatment device |
| CN114433804B (en)* | 2022-04-08 | 2022-07-05 | 北京奥邦新材料有限公司 | Tundish plasma heating arc control method, device and system |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3005859A (en)* | 1958-04-24 | 1961-10-24 | Nat Res Corp | Production of metals |
| US3080626A (en)* | 1960-05-27 | 1963-03-12 | Stauffer Chemical Co | Electron-beam furnace with magnetic guidance and flux concentrator |
| US3304169A (en)* | 1960-08-01 | 1967-02-14 | Union Carbide Corp | Method of deoxidizing metals |
| US3361927A (en)* | 1963-04-22 | 1968-01-02 | Giannini Scient Corp | Plasma generating apparatus having an arc restricting region |
| GB1115657A (en)* | 1964-10-29 | 1968-05-29 | Westinghouse Electric Corp | Non-consumable arc electrode |
| DE1220058B (en)* | 1965-06-28 | 1966-06-30 | Kernforschung Gmbh Ges Fuer | Method and device for the heat treatment of powdery substances, in particular for melting the cores of high-melting substances, by means of a high-temperature plasma |
| US3547622A (en)* | 1968-06-12 | 1970-12-15 | Pennwalt Corp | D.c. powered plasma arc method and apparatus for refining molten metal |
| CH525705A (en)* | 1968-12-24 | 1972-07-31 | Lonza Ag | Use of vortex-stabilized plasma torches to carry out chemical reactions |
| US3671220A (en)* | 1969-05-19 | 1972-06-20 | Nordstjernan Rederi Ab | Process for the production of powdered metals |
| DE2110274C2 (en)* | 1971-03-04 | 1973-01-04 | Fried. Krupp Gmbh, 4300 Essen | Device for melting metal sponges using inert gas plasmas |
| Publication number | Publication date |
|---|---|
| FR2160519B1 (en) | 1978-04-21 |
| GB1418641A (en) | 1975-12-24 |
| NO131795B (en) | 1975-04-21 |
| FR2160519A1 (en) | 1973-06-29 |
| NL7215108A (en) | 1973-05-22 |
| DE2237378A1 (en) | 1974-02-14 |
| US3851136A (en) | 1974-11-26 |
| IT973517B (en) | 1974-06-10 |
| DE2157606B2 (en) | 1973-08-30 |
| BE791550A (en) | 1973-03-16 |
| DE2157606A1 (en) | 1973-05-24 |
| US3852061A (en) | 1974-12-03 |
| JPS4863941A (en) | 1973-09-05 |
| LU66498A1 (en) | 1973-02-01 |
| DE2157606C3 (en) | 1974-04-04 |