Sound absorbing panels
US4194329A · kind A · utility
39Cited by
7References
23Claims
0Family size
Inventor
Key dates
| Filing date | Mar 7, 1978 |
| Grant date | Mar 25, 1980 |
| Priority date | — |
| Expiry date | Mar 7, 1998 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2001/8452
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sound absorbing panel for use in industrial sound control is disclosed and includes a sound absorbing material completely enclosed in a heat shrunk plastic material and supported by a frame extending about the outer edge of the enclosed sound absorbing material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.