Title:
LIGHT WEIGHT NOISE ABSORPTION SYSTEM
Document Type and Number:
WIPO Patent Application WO2005079285
Kind Code:
A3
Abstract:
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.
Inventors:
BROWN STEVEN G (US)
BOITUS GUY W (US)
BILLY TREVOR (CA)
TOHME ELIE (US)
BOITUS GUY W (US)
BILLY TREVOR (CA)
TOHME ELIE (US)
Application Number:
PCT/US2005/004309
Publication Date:
May 26, 2006
Filing Date:
February 11, 2005
Export Citation:
Assignee:
BBI ENTPR L P (US)
BROWN STEVEN G (US)
BOITUS GUY W (US)
BILLY TREVOR (CA)
TOHME ELIE (US)
BROWN STEVEN G (US)
BOITUS GUY W (US)
BILLY TREVOR (CA)
TOHME ELIE (US)
International Classes:
E04B1/82; E04B1/84
Foreign References:
| US6145617A | 2000-11-14 | |||
| US5971099A | 1999-10-26 | |||
| US20050016793A1 | 2005-01-27 | |||
| US6093481A | 2000-07-25 |
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