Fire-screening panel
US4444825A · kind A · utility
22Cited by
4References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1982 |
| Grant date | Apr 24, 1984 |
| Priority date | — |
| Expiry date | Aug 23, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3163
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A fire-screening glazing panel including a plurality of sheets of vitreous material and at least two spaced layers of intumescent material each sandwiched between sheets of the vitreous material. At least two of the plurality of vitreous sheets are internal vitreous sheets sandwiched between the at least two intumescent layers, and the at least two internal vitreous sheets are laminated together without intervening intumescent material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.