Tower furnace for the heat treatment of metal strips
US6031206A · kind A · utility
1Cited by
8References
2Claims
0Family size
Inventors
Key dates
| Filing date | May 29, 1998 |
| Grant date | Feb 29, 2000 |
| Priority date | — |
| Expiry date | May 29, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D9/66
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A tower furnace for the heat treatment of metal strips comprises a muffle (3) extending over the entire furnace height, through which muffle passes the strip (6). At the top of the muffle (3) an insulated stopper (1) with an electric heater (2) has been inserted into the muffle (3). Below this stopper (1) a gas-heated preheating space (4) is provided in the muffle (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.