| 发明名称 |
SOUNDPROOFING MATERIAL AND THE USE THEREOF |
| 摘要 |
<p>The invention relates to soundproofing material for the sound frequency range 100 to 5,000 Hz, which is made of non-woven fabric containing thermoplastic fibers and characterized in that the non-woven fabric is permanently compressed in two stages by means of a mechanical bonding process and subsequent pressure and thermal treatment in order to achieve a specific resistance to flow of Rs = 800 - 1,400 Ns/m3.</p> |
| 申请公布号 |
CA2280772(A1) |
申请公布日期 |
1998.09.03 |
| 申请号 |
CA19982280772 |
申请日期 |
1998.02.09 |
| 申请人 |
LOHMANN GMBH & CO. KG |
发明人 |
SINAMBARI, GHOLAM REZA;THORN, UDO;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):D04H1/54;E04B1/84;G10K11/00;D04H1/48 |
主分类号 |
E04B1/82 |
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