Vehicle glazing
US12030279B2 · kind B2 · utility
0Cited by
4References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 23, 2016 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Dec 25, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2605/006
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention concerns a laminated glazing having variable light transmission comprising two glass sheets, an external glass sheet and an internal glass sheet, that are joined by at least one thermoplastic interlayer sheet, an assembly of a functional film, which is incorporated into the laminate between the two glass sheets. According to the invention, the at least one thermoplastic interlayer sheet has a roughness with a Rz comprised between 50 and 400 μm and a Ra comprised between 15 and 90 μm and preferably with a Rz comprised between 100 and 400 μm and a Ra comprised between 30 and 90 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.