Method and mould for producing an aerodynamic element comprising riblets
US11897170B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Apr 12, 2017 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Dec 11, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mould for obtaining an element is provided. The mould includes an outer face and a plurality of parallel ribs and/or grooves formed on the outer face. One of the walls of the mould includes ribs and/or grooves of which at least a portion of the ribs and/or grooves can be retracted, at least temporarily, such that at least a portion of the surface of the wall is smooth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.