| 发明名称 |
COMPOSITE SOUND ABSORBER |
| 摘要 |
A sound absorbing material comprising a nonwoven fibrous acoustic insulation material and a flow resistive nonwoven facing, wherein the flow resistive nonwoven facing is bonded to the insulation material and has an air flow resistance of from about 600 to about 1800 Rayls and a surface mass of from about 20 to about 150 g/m2. |
| 申请公布号 |
EP2347060(A4) |
申请公布日期 |
2017.01.11 |
| 申请号 |
EP20090820112 |
申请日期 |
2009.10.16 |
| 申请人 |
Zephyros Inc. |
发明人 |
COATES, Michael, William;KIERZKOWSKI, Marek;GIBBONS, Philip, John |
| 分类号 |
C09J7/04;B32B5/26;G10K11/168 |
主分类号 |
C09J7/04 |
| 代理机构 |
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