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发明公开
CN105492196A 吸音结构 无效 - 驳回 复审申请

吸音结构
摘要：
本发明公开了一种轻型吸音基板。在一个实施方式中，该基板包括大致开放的夹芯和外饰面层。夹芯由在饰面层之间延伸的多个开放式孔格组成。所述孔格可具有包括蜂窝状的多种构型。在一些实施方式中，饰面层可以是非编织的或编织的玻璃纤维。本发明提供了一种多层吸音结构，在一个非限定性实施方式中，这种结构由两个夹芯组成，带有外饰面层和位于两个夹芯之间的夹层。
摘要（英）：

A light-weight acoustical substrate is disclosed. In one embodiment, the substrate includes a substantially open core and outer facing layers. The core is comprised of a plurality of open, cells which extend between the facing Iayers. The cells may have numerous configurations, including honeycomb. The facing layers may be non-woven or woven glass scrims in some embodiments, A multi-layered acoustical structure is provided which in one non-limiting embodiment is comprised of two cores with outer facing layers and an interlayer between the cores.

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