| 发明名称 |
MOLDED FOAM PUSH-TO-FIT EARPLUG, METHOD AND DEVICES |
| 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. |
| 申请公布号 |
EP3091953(A1) |
申请公布日期 |
2016.11.16 |
| 申请号 |
EP20150700824 |
申请日期 |
2015.01.06 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
TEETERS, KENNETH F.;HAMER, JEFFREY L. |
| 分类号 |
A61F11/08 |
主分类号 |
A61F11/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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