Laminate pre-form for a wind turbine blade
US9579861B2 · kind B2 · utility
1Cited by
0References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 6, 2011 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Apr 1, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24124
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A laminate preform is disclosed, having a top side and a back side extending between respective edge portions, the laminate preform comprising a plurality of layers of fiber tows extending in a length direction of the laminate pre-form, the fiber tows being at least partly fixed by resin. The laminate pre-form is in between a first and a second prepreg or semi-preg layer including fibers extending in an oblique direction with respect to the length direction, and at least one distribution channel is provided at the back side extending in the length direction. Also disclosed is a method for manufacturing such a laminate pre-form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.