Sandwich panel having internal gas discharge member
US5580637A · kind A · utility
29Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1995 |
| Grant date | Dec 3, 1996 |
| Priority date | — |
| Expiry date | Jun 13, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24998
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sandwich panel which is formed by sandwiching a core member of synthetic resin foam (plastic foam) between a front surface member and a back surface member into an unified body, is provided with plural gas-permeable members in the core member or/and at the boundary between the core member and the front and/or back surface member of the sandwich panel, whereby internal gas produced in the core member is discharged through the gas-permeable members to the outside of the sandwich panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.