Self-adhering duct insulation board
US5840392A · kind A · utility
Inventors
Key dates
| Filing date | Sep 4, 1997 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Sep 4, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24537
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A self-adhering duct insulation board having a central foam insulation board with first, second, third, and fourth parallel outer board bend channels formed into an outer surface thereof and first, second, third, and fourth parallel inner board bend channels formed into an inner surface thereof, the first, second, third, and fourth outer board bend channels being oriented in parallel with the first, second, third, and fourth inner board bend channels, each of the first, second, third, and fourth outer board bend channels being arranged in relation to one of the first, second, third, and fourth inner board bend channels in a manner to form a flexible board bending hinge; an outer foil layer permanently attached onto the outer surface of the central foam insulation board, the outer foil layer forming four foil bend channels, one into each of the first, second, third, and fourth outer board bend channels of the central foam insulation board; an inner foil layer permanently secured to the inner surface of the central foam insulation board; an adhesive layer deposited onto the inner foil layer in a manner such that the inner foil layer is positioned between the adhesive layer and the ce…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.