| 发明名称 |
Schallschutzmaterial |
| 摘要 |
<p>A soundproofing material made of nonwoven materials containing thermoplastic fibers for the acoustic frequency range of 100 to 5000 Hz is characterized in that the nonwoven material is permanently compacted to a specific flow resistance of RS=800-1400 Ns/m3 in two stages by a mechanical compaction process and a subsequent pressure/heat treatment.</p> |
| 申请公布号 |
DE19708188(C2) |
申请公布日期 |
2001.05.10 |
| 申请号 |
DE1997108188 |
申请日期 |
1997.02.28 |
| 申请人 |
LOHMANN GMBH & CO KG |
发明人 |
THORN, UDO;SINAMBARI, GHOLAM REZA;RIEDIGER, WOLFGANG;JOCHIM, GEORG |
| 分类号 |
E04B1/82;D04H1/435;D04H1/46;D04H1/485;D06M11/69;D06M13/292;D06M15/423;G10K11/162;(IPC1-7):G10K11/162;D01F6/62;D04H1/54;G10K11/172 |
主分类号 |
E04B1/82 |
| 代理机构 |
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