Composite sheet material
US7208223B2 · kind B2 · utility
3Cited by
11References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2003 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Oct 31, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249992
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Composite sheet material comprises a core (12) formed from cellular material having a respective skin of continuous sheet material on each side thereof. Both the core and the skins are formed of thermoplastic materials and the skins are attached to the core by a thermoplastic adhesive having a fusion temperature less than that of both the core and the skins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.