Process for increasing resistance to penetration through a glazed opening
US4985099A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1989 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Jun 1, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2605/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for increasing resistance to penetration of glass in a glazed opening, including removing the glass from the glazed opening; and replacing the glass by laminated glazing consisting of the glass removed to which is fastened, by cementing with the aid of at least one intermediate layer of thermoplastic material, a sheet of thinner glass which has dimensions substantially equal to those of the glass removed except for having a thickness which is less than that of the glass removed, and which has been subjected to a chemical tempering treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.