Acoustic enhancement device for underlayment of a covering
US8066097B2 · kind B2 · utility
13Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2009 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Jul 21, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F15/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An acoustic enhancement device adapted for being placed on a support and under a covering, and containing a first flexible layer adapted for being placed facing the support, a second rigid layer joined to the first flexible layer and adapted for being placed opposite the support, and a damping element, wherein the damping element is integrated in the second rigid layer or forms a third layer placed on the second rigid layer and opposite the first flexible layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.