| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin structure which can simplify the structure of a rib while securing rigidity necessary for impact absorption. SOLUTION: A long rib 6 having a length d at least 50% of the length D of an inner panel 4 is formed in the longitudinal direction A, and a plurality of short ribs 7 are formed. The welding area of the long rib 6 and the short ribs 7 to an outer panel 5 is made 1-10% of the total area of the outer panel 5. COPYRIGHT: (C)2004,JPO |
