Title:
SOUND-ABSORBING SOUND INSULATION PAD, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/087351
Kind Code:
A1
Abstract:
Provided in the present application are a sound-absorbing sound insulation pad, a preparation method therefor and an application thereof. The sound-absorbing sound insulation pad of the present application comprises a surface layer, an intermediate layer and a bottom layer, which are sequentially arranged from top to bottom, wherein the surface layer is made of high-density non-woven fabric. By means of the sound-absorbing sound insulation pad of the present application, the sound insulation pad maintains a relatively high overall sound absorption performance in a relatively wide frequency band without increasing the overall thickness and surface density.
Inventors:
GUO JIAWEI (CN)
XUE XIBIN (CN)
HUANG WEI (CN)
ZHU KEDA (CN)
XUE XIBIN (CN)
HUANG WEI (CN)
ZHU KEDA (CN)
Application Number:
PCT/CN2022/139577
Publication Date:
May 02, 2024
Filing Date:
December 16, 2022
Export Citation:
Assignee:
WUXI GISSING AUTO ACOUSTIC PARTS TECH CO LTD (CN)
International Classes:
B32B5/02; B32B5/26; B32B17/02; B32B17/12; B32B27/04; B32B27/12; B32B37/06; B32B37/10; B60R13/08
Foreign References:
| CN104441876A | 2015-03-25 | |||
| JP2006028708A | 2006-02-02 | |||
| JP2010085873A | 2010-04-15 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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