The present invention provides a thin vehicle closure panel design that substantially reduces a thickness (panel gauge plus the perpendicular distance or depth between the panels) of a vehicle hood (5) and the impact effect on the head of a pedestrian struck by a motor vehicle. In one embodiment, the...http://www.google.com.tw/patents/US8052198?utm_source=gb-gplus-share專利 US8052198 - Pedestrian safe automotive hood having reinforcing foam
