Sandwich panel made of a composite material and production method
US6267838A · kind A · utility
17Cited by
19References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2000 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Jan 4, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/40
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sandwich panel made of a composite material with acoustical attenuation for a wall and/or self-supporting covering, more particularly for doubling the bulkheads or cabin walls of aircraft, and including an alveolar structural core (14) especially a honeycomb core, and two skins (12, 16) disposed and rendered integral on both sides of the core, wherein the two skins (12, 16) include holes and wherein the holes of at least one of the two skins are micropores. A method for producing this panel is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.