Split-type friction stir welding tool with adjustable stirring pin length
US11969818B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2023 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Sep 22, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A split-type friction stir welding head with an adjustable stirring pin length includes a stirring head housing, where a clamping handle and a detachable stirring pin are successively mounted in the stirring head housing towards a welding direction, the clamping handle is provided with external threads on a periphery thereof and in drive connection with an adjusting plate through threads, the adjusting plate is limited, fixed and mounted in the stirring head housing, and a pore-diameter-adjustable aperture shoulder is mounted between a bottom of the stirring head housing and the detachable stirring pin in order to compensate for an outside gap between a stirring pin channel of the stirring head housing and the detachable stirring pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.