Apparatus and methods for forming composite stiffeners and reinforcing structures
US7820092B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2008 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Nov 25, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24995
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Methods of forming an elongated composite structural member are provided. One method includes, providing a substantially elongated mandrel having an exterior surface exhibiting a desired geometry. Laying up a first ply of preimpregnated fiber reinforced material over the mandrel. Applying a force to the first ply to establish a desired amount of tension within the first ply and then pressing the first ply onto the mandrel in a conformal manner. This includes passing at least one roller over the mandrel and the first ply while maintaining the desired amount of tension within the first ply. The at least one roller is at least partially complementary in shape with the mandrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.