发明申请
- 专利标题: Self-conforming sound attenuation earplug
- 专利标题(中): 自适应声音衰减耳塞
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申请号: US11821390申请日: 2007-06-22
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公开(公告)号: US20080314393A1公开(公告)日: 2008-12-25
- 发明人: Ricky Wayne Purcell , Steven Craig Gehling , Waihong Leong , Anne Clare Moser , Sean S. Corbin , Scott Madison Belliveau
- 申请人: Ricky Wayne Purcell , Steven Craig Gehling , Waihong Leong , Anne Clare Moser , Sean S. Corbin , Scott Madison Belliveau
- 主分类号: A61F11/00
- IPC分类号: A61F11/00
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.
公开/授权文献
- US07984716B2 Self-conforming sound attenuation earplug 公开/授权日:2011-07-26