Refractory gas permeable structural unit
US4378106A · kind A · utility
6Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1981 |
| Grant date | Mar 29, 1983 |
| Priority date | — |
| Expiry date | Jul 6, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D1/005
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A refractory gas permeable structural unit for blowing a gas into a metal treatment container and through its casing, has a refractory gas permeable stone, a first metal housing sealingly surrounding the stone, a second metal housing arranged at a distance from the first metal housing, a refractory substantially gas impermeable filler material provided between the first and second metal housings, and at least one connection and a distribution chamber provided at the end face of the stone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.