Acoustical panel and method of making such panel
US7879433B1 · kind B1 · utility
7Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2007 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Feb 28, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24372
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A lightweight acoustical panel having a substantially monolithic appearance and high sound absorption capabilities is manufactured at a lower cost than acoustical panels having comparable properties. The panel is formed, punched with pins and coated with a coarse particle coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.