Sandwich-type, structural, composite panel having a pattern of depressions formed at a lower outer surface thereof and stiffening supports received and retained therein
US8808834B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2013 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Feb 11, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2462
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sandwich-type, structural, composite panel having a pattern of depressions formed at a lower outer surface thereof and stiffening supports received and retained therein is provided. The panel includes a first outer layer having a first outer surface, a second outer layer having a second outer surface and a core positioned between the outer layers and having a large number of cavities. The outer layers are bonded to the core by press molding. Crushed portions of the panel having a reduced thickness form the pattern of depressions at the second outer surface of the second outer layer. The stiffening supports are bonded or joined to the second outer layer within the pattern of depressions. The stiffening supports are sized, shaped and arranged within the pattern of depressions to provide the panel with strength to resist deflection from a load at various positions and orientations at the first outer surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.