Co-cured stringers and associated mandrel and fabrication method
US7293737B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2004 |
| Grant date | Nov 13, 2007 |
| Priority date | — |
| Expiry date | Jun 28, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/139
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A co-cured composite stringer and associated apparatus and method are provided. The co-cured composite stringer includes a stringer and a mandrel positioned within a channel defined in the stringer. A plurality of strips are positioned within an opening of the mandrel, and a substrate layer, such as aircraft skin, is positioned adjacent to the stringer. During application of the substrate layer to the stringer, the mandrel and plurality of strips support the stringer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.