Laminated glass panel with thin sheet of shatterproof glass
US10800137B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2015 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Oct 22, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2605/10
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A laminated glazing unit includes one to ten first glass sheets each of thickness included between 1.5 and 22 mm, if needs be adhesively bonded to one another by one or more first adhesive interlayers, and a second glass sheet forming one of the two faces of the laminated glazing unit, of thickness included between 0.5 and 1.5 mm, and adhesively bonded to the first glass sheet(s) by a second adhesive interlayer, the second glass sheet being made of aluminosilicate or soda-lime glass that is chemically toughened, having a surface stress comprised between 300 and 1000 and between 200 and 500 MPa, respectively, and a depth under compression between 20 and 100 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.