发明名称 |
SAFETY HELMET ASSEMBLY |
摘要 |
A safety helmet having a rigid outer shell, a shock absorbing layer inside of the outer shell, and a shield layer fabricated from a strong and lightweight material positioned between the outer shell and the shock absorbing layer. The shield layer is preferably free to move relative to the outer shell in a direction toward the shock absorbing layer.
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申请公布号 |
CA2299593(A1) |
申请公布日期 |
2000.08.26 |
申请号 |
CA20002299593 |
申请日期 |
2000.02.25 |
申请人 |
MINE SAFETY APPLIANCES COMPANY |
发明人 |
ERTH, RICHARD A.;WISE, LAYTON A. |
分类号 |
A42B3/06;A42B3/10;(IPC1-7):A42B3/10 |
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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