Apparatus for scavenging cold-drawn, coil-forming tubes in a roller hearth furnace
US6106764A · kind A · utility
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1References
2Claims
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Key dates
| Filing date | May 29, 1998 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | May 29, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22F1/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In a roller hearth furnace there is provided an apparatus for scavenging cold-drawn, coil-forming tubes. An essential element thereof is a pressure vessel (1; 1a) serving as reservoir for the scavenging agent, comprising a small calculable outlet opening (2) and a coupling member (3) connected with the tube coil (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.