| 发明名称 |
Acoustical panel having a honeycomb structure and method of making the same |
| 摘要 |
<p>An acoustically absorbent porous panel with a layer constructed from a substantially continuous open-celled porous material comprising a cured foamed cementitious material including a first face and a second face. The first face has a surface with a substantially planar profile and the second face has a substantially geometric pattern of depressions formed therein comprising approximately 50% to approximately 90% of the layer by volume. <IMAGE></p> |
| 申请公布号 |
EP1088946(A2) |
申请公布日期 |
2001.04.04 |
| 申请号 |
EP20000120755 |
申请日期 |
2000.09.22 |
| 申请人 |
ARMSTRONG WORLD INDUSTRIES, INC. |
发明人 |
PUTT, DEAN L.;WORK, JAMES L. |
| 分类号 |
E04B1/86;B28B5/02;B28C5/38;B32B13/04;C04B28/00;C04B28/02;C04B28/14;C04B38/10;C04B111/52;E04B1/84;E04B9/00;E04B9/04;E04C5/07;G10K11/162;(IPC1-7):E04B1/86 |
主分类号 |
E04B1/86 |
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