发明名称 |
IMPACT ABSORBING SAFETY HELMET FOR MINING |
摘要 |
An industrial safety helmet that provides both impact and penetration resistance is disclosed. The helmet includes a dome-shaped outer shell, an impact absorbing layer, and an at least one ear-temple guard. The outer shell has a thickness ranging from about 1 mm to about 3 mm. The outer shell comprises a plurality of ventilation ports. The surface area of the plurality of ventilation ports comprises less than about 5% of the surface area of the outer shell. The impact absorbing layer is disposed substantially within and adjacent to the outer shell and has a thickness ranging from about 1 cm to about 3 cm. The ear-temple guard is sized to substantially cover a wearer's ear and temple area.
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申请公布号 |
CA2786243(A1) |
申请公布日期 |
2011.07.14 |
申请号 |
CA20102786243 |
申请日期 |
2010.12.17 |
申请人 |
ALPHA APPALACHIA HOLDINGS, INC. |
发明人 |
CAYLOR, GEORGE EDWARD |
分类号 |
A42B3/16;A42B3/28;A42B3/30 |
主分类号 |
A42B3/16 |
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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