| 摘要 |
PROBLEM TO BE SOLVED: To keep protective function to the wearer of a full face helmet and air ventilation function and extend freedom of designing in installing an air passage. SOLUTION: The air passage 62 having an independent space for guiding air from an air inlet 4 to the upper part of the head and/or from the air inlet 4 to around the face without disturbing the air flow is constituted by using a material different from a material for constituting the helmet and relating to impact absorption, to be free from interference of inner materials at least around the side peripheral of the head of the wearer. COPYRIGHT: (C)2006,JPO&NCIPI
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