Wear resistant tubular members and systems and methods for producing the same
US11285524B2 · kind B2 · utility
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25References
8Claims
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Assignee
Inventor
Key dates
| Filing date | Jun 17, 2020 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Jun 17, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D37/16
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Some embodiments disclosed herein are directed to a tubular member including a central axis, a first end, a second end opposite the first end, an upset region between and axially spaced from the first end and the second end, and a first outer diameter axially spaced midway between the first end and the upset region. The upset region includes a second diameter which is larger than the first diameter, does not include a weld joint, and includes redistributed material from the tubular member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.