B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 13/08 (2006.01)
Patent
CA 2512596
An acoustical barrier (10) comprises a layer of molded firm-flexible foam (38) that is generally configured to match the acoustical requirements in an environment and mounted against a sound-transmitting substrate and can have one or more areas of patterned recesses (48) along a substrate-facing side or varying thickness tailored to the intensity of sound transmitted through the sound-transmitting substrate with or without a thin, impervious barrier layer overlying the foam layer.
L'invention concerne un écran acoustique comprenant une couche de mousse ferme-souple moulée, laquelle est généralement conçue de manière à répondre aux exigences acoustiques dans un milieu, montée contre un substrat de transmission de son et peut présenter une ou plusieurs zones d'évidements structurés le long d'un côté opposé au substrat ou une épaisseur variable adaptée à l'intensité du son transmis par l'intermédiaire du substrat de transmission de son, avec ou sans une couche barrière mince et étanche disposée sur la couche de mousse.
Borden Ladner Gervais Llp
Cascade Engineering Inc.
LandOfFree
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