Process of producing a non-ferrous metallic tube
US12115576B2 · kind B2 · utility
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1References
13Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 12, 2021 |
| Grant date | Oct 15, 2024 |
| Priority date | — |
| Expiry date | Jun 22, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D21/025
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a process of producing a non-ferrous metallic tube, in which process comprises a casting stage, in which a cast tube having an outer diameter of 20-70 mm, preferably 35-55 mm and a wall thickness of 1.0-4.0 mm, preferably 2.0-3.0 mm, is casted from melt by continuous upward vertical casting process, and the casting stage is followed by at least two drawing stages. In the drawing stages drawing direction of the cast tube in at least two each other following drawing stages is opposite to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.