High security polycarbonate laminate windows with insulated glazing units
US10737468B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2016 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Sep 21, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2419/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention provides high security polycarbonate laminates integrated with insulated glazing units (IGU) to produce high security windows. The laminate comprises at least nine layers, in the following order: (i) an insulated glazing unit; (ii) a thermoplastic polyurethane; (iii) a polycarbonate; (iv) a thermoplastic polyurethane; (v) a polycarbonate; (vi) a thermoplastic polyurethane; (vii) a glass; (viii) a thermoplastic polyurethane; and (ix) a polycarbonate. A frame may surround and overbite the laminate. An array of framed laminates may be arranged such that one framed laminate may be removed, without removing an adjacent laminate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.