Friction stir welding tool insert
US12246390B2 · kind B2 · utility
0Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2021 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | Sep 1, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K20/1255
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
This disclosure relates to a two-piece friction stir welding (FSW) tool insert. The tool insert has a longitudinal axis of rotation and comprises a stirring pin and an annular shoulder coaxially mounted about the stirring pin. The stirring pin and annular shoulder each comprise polycrystalline cubic boron nitride. The annular shoulder is a thin disc with a thickness of 1 to 12 mm and the shoulder comprises a tapered, central aperture, through which the stirring pin protrudes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.