| 摘要 |
PROBLEM TO BE SOLVED: To maintain lightweight and high rigidity of a vehicular board structure, and to achieve a durable hinge portion.SOLUTION: A vehicle board structure includes the hinge portion 11 where a part of a honeycomb body 14 filled with a thermosetting resin 16 is flattened from a back plane material 15 toward a front plane material 13, thus connecting the front plane material 13 and the back plane material 15; and a flexible hinge sheet 12 extending over the hinge portion 11 on the outside of the front plane material 13. At least a part of the hinge sheet 12 in the thickness direction thereof is buried inside the front plane material 13. |
