Foamed glass manufacture
US5516351A · kind A · utility
38Cited by
25References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1994 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Aug 5, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C11/007
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A foamed glass product and its manufacturer are disclosed. According to the present invention, crushed glass particles and a foaming agent, preferably selected from CaCO.sub.3 and CaSO.sub.4, are provided. The glass particles and foaming agent are mixed and heated to a desired foaming temperature for creating foamed glass. A nonreactive gas having desired insulative properties, preferably selected from SO.sub.2 and CO.sub.2 is provided to sweep air away from the mixture during heating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.