Mineral fibre-based sandwich structure and method for the production thereof
US7399510B2 · kind B2 · utility
17Cited by
1References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 13, 2004 |
| Grant date | Jul 15, 2008 |
| Priority date | — |
| Expiry date | Jan 20, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24331
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sandwich structure (2) comprising a core (20) and two facings (21, 22) between which the core is placed, the core (20) being formed from a mineral-fiber-based product (1) obtained by a process involving internal centrifugation combined with attenuation by a high-temperature gas stream, characterized in that the mineral fibers are crimped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.