Fire resistant windows
US4113904A · kind A · utility
13Cited by
10References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 3, 1975 |
| Grant date | Sep 12, 1978 |
| Priority date | — |
| Expiry date | Dec 3, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/315
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A window composed of a frame having at least two, parallel disposed, spaced glass panes. At least one of the panes is composed of fire-resistant glass. The fire resistant pane can be a borosilicate or alumino silicate glass having a compressive prestress in the peripheral edge portion thereof, and for which the product of thermal expansion .alpha. and the elastic modulus E is 1-5 kp .times. cm.sup.-2 .times. .degree. C.sup.-1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.