A substrate is provided for a sound absorbing panel, the substrate having an acoustic absorptive inner portion and an acoustic flow-resistive outer portion having a first layer on a first side of the inner portion and a second layer on a second side of the inner portion. The inner portion may include a foam material or a fibrous material and each outer portion may include a structural material. The inner portion, also referred to as a core portion, may include at least one of a sound absorbing material, an airbag device and an impact cushion material.
申请公布号
WO03095267(A2)
申请公布日期
2003.11.20
申请号
WO2003US14317
申请日期
2003.05.07
申请人
JOHNSON CONTROLS TECHNOLOGY COMPANY;ERICKSON, BRIAN, L.;SPRINGER, ROB, ERIC;VEEN, GERALD, RAYMOND
发明人
ERICKSON, BRIAN, L.;SPRINGER, ROB, ERIC;VEEN, GERALD, RAYMOND