Acoustic baffle assembly

Details Acoustic baffle assembly Acoustic baffle assembly

B - Operations, Transporting

60

R

B60R 13/08 (2006.01) B60R 13/00 (2006.01) B62D 25/04 (2006.01)

Patent

CA 2717868

An acoustic baffle assembly for sealing or baffling a hollow body having a mass of heat activated expandable ma-terial that is capable of activating at a predetermined temperature. A substrate supports the mass. The substrate has a central por-tion and spaced apart projections extending outwardly from the central portion. The projections are configured to control expan-sion of the mass.

L'invention porte sur un ensemble d'écran acoustique pour sceller de façon étanche ou cloisonner un corps creux ayant une masse d'un matériau expansible activé par chaleur qui est capable de s'activer à une température prédéterminée. Un substrat supporte la masse. Le substrat comporte une partie centrale et des projections espacées s'étendant vers l'extérieur à partir de la partie centrale. Les projections sont configurées pour réguler une expansion de la masse.

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