发明名称 LIGHT WEIGHT NOISE ABSORPTION SYSTEM
摘要 A noise absorption assembly (20) has a first layer (24) and second layer (26) adhered to the first layer. The first is formed from a polymeric fibrous material that includes mixture of first and second fiber (25, 27) for absorbing the transmission of sound. The second layer (26) is formed form a non-woven polymeric material for providing a barrier to prevent the transmission of sound.
申请公布号 WO2005079285(A3) 申请公布日期 2006.05.26
申请号 WO2005US04309 申请日期 2005.02.11
申请人 BBI ENTERPRISES, L.P.;BROWN, STEVEN, G.;BOITUS, GUY, W.;BILLY, TREVOR;TOHME, ELIE 发明人 BROWN, STEVEN, G.;BOITUS, GUY, W.;BILLY, TREVOR;TOHME, ELIE
分类号 E04B1/82;E04B1/84 主分类号 E04B1/82
代理机构 代理人
主权项
地址