E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/82 (2006.01) E04B 1/84 (2006.01)
Patent
CA 2556199
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.
L'invention concerne un assemblage d'absorption de bruit présentant une première couche et une seconde couche collée à la première couche. La première couche est constituée d'un matériau fibreux polymère comprenant un mélange de premières fibres et de secondes fibres pour absorber la transmission du son. La seconde couche est constituée d'un matériau polymère non tissé pour former une barrière permettant d'empêcher la transmission du son.
Billy Trevor
Boitus Guy W.
Brown Steven G.
Tohme Elie
Bbi Enterprises L.p.
Gowling Lafleur Henderson Llp
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