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.
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
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