Multi-layer honeycomb structure
US5106668A · kind A · utility
67Cited by
23References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1989 |
| Grant date | Apr 21, 1992 |
| Priority date | — |
| Expiry date | Jun 7, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24165
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multi-layered structural panel having a high-density cellular core adjacent and parallel to a low-density cellular core is disclosed. Preferably, the first core has a density at least 10% greater than the second core. The first panel preferably accounts for 10% to 25% of the structural material thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.