| 发明名称 |
Self-conforming sound attenuation earplug |
| 摘要 |
A self-conforming sound attenuation earplug, including: a stem, at least one support joined with the stem and extending radially outward from the stem, and a shell engaging the support and encircling the stem to form a space between the shell and the stem. At least one of the support material and the shell material is a deformable-resilient material.
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| 申请公布号 |
US2008314393(A1) |
申请公布日期 |
2008.12.25 |
| 申请号 |
US20070821390 |
申请日期 |
2007.06.22 |
| 申请人 |
PURCELL RICKY WAYNE;GEHLING STEVEN CRAIG;LEONG WAIHONG;MOSER ANNE CLARE;CORBIN SEAN S;BELLIVEAU SCOTT MADISON |
发明人 |
PURCELL RICKY WAYNE;GEHLING STEVEN CRAIG;LEONG WAIHONG;MOSER ANNE CLARE;CORBIN SEAN S.;BELLIVEAU SCOTT MADISON |
| 分类号 |
A61F11/00 |
主分类号 |
A61F11/00 |
| 代理机构 |
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代理人 |
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