Earmuff hearing-protection device comprising sound-attenuating members

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专利权人:

3M Innovative Properties Company

发明人:

Almeflo, Per Ove

申请号：

AU2018220961

公开号：

AU2018220961A1

申请日:

2018.02.15

申请国别(地区):

AU

年份:

2019

代理人:

摘要：

An earmuff hearing-protection device (1) including a non-porous, sound-attenuating body (50) disposed within an interior space (31) defined by a shell (30) of an earmuff of the device, the non-porous, sound-attenuating body including sound-attenuating members (100) arranged and spaced to define a set of high aspect ratio air gaps (e.g. 300) between major side surfaces of neighboring members.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/