Reinforcement for darted Pi preforms
US8389424B2 · kind B2 · utility
2Cited by
6References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2009 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Jul 1, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3195
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A reinforcement for a darted three-dimensional Pi or T-shaped preform, a method of making thereof and a composite structure including the reinforcement is disclosed. The reinforcement is a steered fabric having a width, a length, a first face surface and a second face surface separated by a thickness. The first face surface of the steered fabric is affixed to a darted component of the preform. The steered fabric reinforcement can be a single layer or multilayer fabric, which can be woven using a programmable take up system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.