| 摘要 |
PROBLEM TO BE SOLVED: To provide a shock absorbing material of a vehicular shock absorbing bumper capable of obtaining an excellent shock energy absorbing property which prevents damage when contacting an article, a pedestrian, and the like. SOLUTION: In the shock absorbing material 10 made from foam resin disposed between a front surface 3 of a bumper beam 2 extending in a vehicular width direction and a bumper face 5, a plurality of first front side hollow holes 15 of a bottomed hole shape arranged at intervals in the vehicular width direction and opening to a front surface 11 and first rear side hollow holes 16 of a bottomed hole shape arranged at intervals in the vehicular width direction and opening to a rear surface 14; and a plurality of second front side hollows 17 of a bottomed hole shape arranged at intervals in the vehicular width direction and opening to a front surface 11 and second rear side hollow holes 18 of a bottomed hole shape arranged at intervals in the vehicular width direction and opening to a rear surface 14. The first front side hollow holes 15 and the first rear side hollow holes 16, and the second front side hollow holes 17 and the second rear side hollow holes 18 are alternately arranged so as to be offset in the vehicular width direction. COPYRIGHT: (C)2008,JPO&INPIT
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