Insulated construction element
US4937122A · kind A · utility
42Cited by
11References
4Claims
0Family size
Inventor
Key dates
| Filing date | Mar 28, 1989 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | Mar 28, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249987
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Insulated construction elements are made by bonding a pair of wood planks to an intermediate expanded foam layer to form a composite assembly which is thereafter divided longitudinally into a plurality of individual elements which may be utilized separately or in a prefabricated panel assembly for constructing the walls, floors and ceilings of a building.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.