Spacer for insulated glazing
US12241304B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2021 |
| Grant date | Mar 4, 2025 |
| Priority date | — |
| Expiry date | Apr 12, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2023/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A spacer for insulated glazings includes a polymeric main body including two pane contact surfaces, a glazing interior surface, an outer surface, and a cavity, wherein the polymeric main body contains a thermoplastic polymer as a base material at a proportion of 30 wt.-% to 70 wt.-%, as an elastomeric additive, a thermoplastic elastomer, and/or a thermoplastic terpolymer having an elastomeric component at a proportion of 0.5 wt.-% to 20 wt.-% in total, and a reinforcing agent at a proportion of 20 wt.-% to 45 wt.-%, the thermoplastic polymer as a base material includes a styrene-based polymer, and the polymeric main body has a foamed pore structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.