Stiffening add-on profile for window frame and window frame comprising same
US10428573B2 · kind B2 · utility
0Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2014 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Dec 17, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2003/228
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A construction profile is made of polymeric material and defines an inner cavity. The construction profile has an outer surface comprising unexposed side portions and exposed side portions. A stiffening profile is provided external of the construction profile and at an unexposed side portion thereof. The stiffening profile has a polymer material and a reenforcement material. The stiffening profile has a tensile (flexural) modulus in its length (L) direction of at least 5 Gpa according to EN2561 and the polymer material has a lambda value of maximum 2 W/mK.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.