Invention Grant
- Patent Title: Composite sound absorber
- Patent Title (中): 复合吸声器
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Application No.: US14013601Application Date: 2013-08-29
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Publication No.: US08950549B2Publication Date: 2015-02-10
- Inventor: Michael William Coates , Marek Kierzkowski , Philip John Gibbons
- Applicant: Zephyros, Inc.
- Applicant Address: US MI Romeo
- Assignee: Zephyros, Inc.
- Current Assignee: Zephyros, Inc.
- Current Assignee Address: US MI Romeo
- Agency: The Dobrusin Law Firm, PC
- Main IPC: E04B1/84
- IPC: E04B1/84 ; E04B1/82 ; B32B5/26 ; D04H13/00 ; G10K11/168 ; E04B1/74 ; B32B33/00 ; B60R13/08 ; E04B1/76
Abstract:
A sound absorbing material comprising a nonwoven fibrous acoustic insulation material and a flow resistive non-woven facing, wherein the flow resistive nonwoven facing is bonded to the insulation material and has an air flow resistance of from about 600 to about 1800 Rayls and a surface mass of from about 20 to about 150 g/m2.
Public/Granted literature
- US20140014439A1 COMPOSITE SOUND ABSORBER Public/Granted day:2014-01-16
Information query
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