发明名称 |
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 |
摘要 |
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 vapour 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. |
申请公布号 |
WO2011078659(A1) |
申请公布日期 |
2011.06.30 |
申请号 |
WO2010NL50827 |
申请日期 |
2010.12.07 |
申请人 |
DYNAMIC EAR COMPANY B.V.;WILMINK, ENGBERT |
发明人 |
WILMINK, ENGBERT |
分类号 |
A61F11/08 |
主分类号 |
A61F11/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|