Invention Grant
- Patent Title: Multilayer sound absorbing structure comprising mesh layer
- Patent Title (中): 多层吸音结构包括网层
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Application No.: US12993539Application Date: 2009-05-06
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Publication No.: US08573358B2Publication Date: 2013-11-05
- Inventor: Mari Nonogi , Makoto Sasaki , Tetsuya Noro
- Applicant: Mari Nonogi , Makoto Sasaki , Tetsuya Noro
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- International Application: PCT/US2009/042937 WO 20090506
- International Announcement: WO2009/142906 WO 20091126
- Main IPC: E04B1/82
- IPC: E04B1/82 ; E04B1/84 ; E04B1/74
Abstract:
A multilayer sound absorbing structure, comprising a first microperforated film, a mesh layer and a second microperforated film disposed in this order is provided.
Public/Granted literature
- US20110100749A1 MULTILAYER SOUND ABSORBING STRUCTURE COMPRISING MESH LAYER Public/Granted day:2011-05-05
Information query
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