Wall structure
US11117350B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 30, 2017 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Dec 23, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2607/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A wall structure with a first dampening element (A) includes at least one layer (20,20a-c) configured to form an acoustic inner surface and/or to dampen sound; a first stopping element (B) including at least one layer (30) configured to stop sound; a second dampening element (C) including at least one layer (40,40′,50) configured to form an acoustic inner surface and/or to dampen sound; and a second stopping element (D) comprising at least one layer (60) configured to stop sound; wherein the layers of the first (A) and second (C) dampening element comprise porous and/or open cell material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.