Installation for shaping a hollow blade
US7325307B2 · kind B2 · utility
5Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2005 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Mar 22, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49339
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hollow blade is shaped by superplastic inflation of a blank made up of welded-together sheets. A die comprising two hollow shapes clamping the outline of the blank is placed inside an autoclave-forming enclosure in order to subject the blank to superplastic inflation, and the two hollow shapes are united by U-shaped clamps made of a material having a coefficient of thermal expansion that is smaller than that of the material constituting said shapes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.