Directly heatable crucible for induction melting furnaces
US5022044A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 9, 1989 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Aug 9, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/24
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
In a directly heatable crucible 3 for induction melting furnaces, especially for melting refractory and highly-pure metals, including an inductor coil 11 surrounding a crucible 3 and a housing 5, which at least partially encloses the inductor coil 11 and the crucible 3 and which forms together with the external wall 9, 9' of the crucible a closed chamber having an annular portion 10 and a flat cylindrical base portion 10'. This chamber is passed through by a cooling agent and the crucible 3 is made of the material to be molten.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.