发明名称 |
IMPACT DAMPING MATERIAL. HELMET AND PANEL INCORPORATING THE SAME |
摘要 |
<p>The present invention relates to a sandwich material (1 ; 7) for impact damping. The sandwich material (1 ; 7) comprises a first (2) layer having a low gas permeability and a second (3) layer being compressible and having gas flow channels (5) for internal gas flow communication. The gas flow channels (5) are provided with convolutions adapted to provide a plurality of velocity direction changes of a gas flow in said gas flow channels (5).</p> |
申请公布号 |
WO2008002248(A8) |
申请公布日期 |
2008.08.28 |
申请号 |
WO2007SE00626 |
申请日期 |
2007.06.26 |
申请人 |
AVALON INNOVATION AB;ERVASTI, ESA |
发明人 |
ERVASTI, ESA |
分类号 |
A42B3/06;B32B3/26;B32B5/16;B32B33/00 |
主分类号 |
A42B3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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