Sealing apparatus in continuous heat-treatment furnace and sealing method
US6341955B1 · kind B1 · utility
4Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1999 |
| Grant date | Jan 29, 2002 |
| Priority date | — |
| Expiry date | Oct 7, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D9/561
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A seal roll apparatus and method hermetically seals boundaries between a plurality of heat-treating sections for continuously heating and cooling a strip material in a continuous heat-treatment furnace. The seal roll apparatus includes a seal roll room including at least a pair of water-cooled seal rolls opposed to each other with a gap therebetween for passing the strip material, and partitions having an opening for passing the strip material, a partition being provided at the inlet side and at the outlet side of the seal rolls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.