发明名称 Dual-structure helmet and method of manufacturing the same
摘要 Disclosed is a helmet or a safety cap for protecting the rider's head and a method of manufacturing the same, in which the main body of the helmet has a dual-structure so as to reduce work process when an outer surface of the helmet is painted, and weight thereof. The main body of the helmet has a dual-structure in that an outer surface thereof is formed of a thermoplastic for an aesthetic enhancement and an inner surface thereof is formed of FRP or a mixture of aramide fiber, polyethylene fiber, vinylon, carbon fiber. Thus-formed dual structure of the helmet body contributes to enhancement in impact resistance and convenience in painting, decreasing an overall weight of the helmet.
申请公布号 US6468644(B1) 申请公布日期 2002.10.22
申请号 US19990450328 申请日期 1999.11.29
申请人 HONG JIN CROWN CORPORATION, LTD. 发明人 HONG WAN-KI;JUNG MYUNG-HO;PARK DAE-KI;PARK SEUNG-HAN
分类号 A42B3/00;A42B3/06;A42C2/00;B29C49/04;B29C49/20;B29C70/08;B29C70/34;B29C70/44;B32B5/02;(IPC1-7):B32B27/12 主分类号 A42B3/00
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