Laminated panes and process for the production of same
US5529655A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | May 13, 1994 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | May 13, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31601
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This invention relates to a laminated safety pane, comprising a monolithic or laminated substrate of glass and/or of plastics material and a sheet of plastics material comprising at least one external polyurethane film providing desirable surface properties. According to the invention, the pane is provided, on at least one zone of the polyurethane film, with a gluing prefilm compatible with a film of adhesive deposited later, this prefilm being deposited after an electrical treatment applied to at least the zone of the polyurethane film which is to receive the prefilm, this electrical treatment being chosen from among the treatments of the corona discharge type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.