Light transmissive sound absorbing member
US5532440A · kind A · utility
22Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 7, 1994 |
| Grant date | Jul 2, 1996 |
| Priority date | — |
| Expiry date | Dec 7, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2001/8485
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In the sound absorbing member, partition members each formed of sound absorbing material are disposed between first and second light transmissive sheet members to thereby form a plurality of small spaces, and first and second through holes are formed in the first and second sheet members, respectively, in such a manner that the first through holes communicate with other small spaces than the small spaces in communication with the second through holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.