Double faced insulating board
US4351873A · kind A · utility
61Cited by
10References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 31, 1980 |
| Grant date | Sep 28, 1982 |
| Priority date | — |
| Expiry date | Jul 31, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/651
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Double faced rigid polyurethane foam insulating board in which the first facing is adhered directly to the urethane foam and in which a second facing is intermittently adhered to and spaced from the first facing by areas of adhesive spaced so as to allow unrestricted lateral venting of gases from between the facings to the edges of the board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.