Invention Grant
US08689931B2 Ear protector with a sound damping filter, sound damping filter for such an ear protector as well as method for manufacturing a sound damping filter for such an ear protector
有权
具有隔音滤波器的耳朵保护器，用于这种耳罩的隔音滤波器以及用于制造这种耳罩的隔音滤波器的方法
- Patent Title: Ear protector with a sound damping filter, sound damping filter for such an ear protector as well as method for manufacturing a sound damping filter for such an ear protector
- Patent Title (中): 具有隔音滤波器的耳朵保护器，用于这种耳罩的隔音滤波器以及用于制造这种耳罩的隔音滤波器的方法
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Application No.: US13516298Application Date: 2010-12-07
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Publication No.: US08689931B2Publication Date: 2014-04-08
- Inventor: Engbert Wilmink
- Applicant: Engbert Wilmink
- Applicant Address: NL
- Assignee: Dynamic Ear Company B.V.
- Current Assignee: Dynamic Ear Company B.V.
- Current Assignee Address: NL
- Agency: Banner & Witcoff, Ltd.
- Priority: NL2004004 20091222
- International Application: PCT/NL2010/050827 WO 20101207
- International Announcement: WO2011/078659 WO 20110630
- Main IPC: A61F11/06
- IPC: A61F11/06 ; H04R1/10 ; H04R25/00
Abstract:
An ear protector (1) with a sound damping filter (3), comprises a membrane (5). The membrane is composed of a material that permits the transmission of air and water vapor with respect to the ear from the into the outside of the ear protector, the membrane is pre stressed mounted in the filter, enabling a bigger surface and hence bigger air and water transport at same sound attenuation.
Public/Granted literature
Information query
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