Composite sound wall
US5438171A · kind A · utility
25Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 9, 1994 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Feb 9, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sound absorbing device for use as a sound barrier. The device includes at least one elongated tubular member of fiber reinforced, thermosetting resin formed by pultrusion and having a hollow interior able to receive sound absorbing material. The hollow interior is filled with sound absorbing material including particulate, recycled polymer firmly compacted within and substantially filling the hollow interior of the tubular member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.