Molded foam push-to-fit earplug, method and devices

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专利权人:

3M Innovative Properties Company

发明人:

Teeters, Kenneth F.,Hamer, Jeffrey L.

申请号：

AU2015205003

公开号：

AU2015205003A1

申请日:

2015.01.06

申请国别(地区):

AU

年份:

2016

代理人:

摘要：

A push-to-fit type earplug (100) including a sound attenuating portion (113) and a semi-rigid stem portion (114) having a relatively greater stiffness than the sound attenuating portion is disclosed. The sound attenuating portion and stem portion are made of a closed-cell, slow- recovery foam.

来源网站：

中国工程科技知识中心

来源网址：

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