Sound absorbing body
US4113053A · kind A · utility
20Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1976 |
| Grant date | Sep 12, 1978 |
| Priority date | — |
| Expiry date | Oct 6, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2001/8452
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sound absorbing body which can effectively be utilized as an exterior sound absorbing wall or an interior wall of a house is disclosed. The sound absorbing body comprises a number of sound absorbing cavities inclined at an angle .alpha. which is smaller than 80.degree. with respect to a transverse horizontal sectional plane of the body, the sound absorbing cavities being opened at the sound incident surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.