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US 2003/0193179 A1Published application
Impact absorbing member
AssigneeBridgestone Corporation
InventorsTatsuo Yata, Hiroshi Kaneda
Life of this patent
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Abstract
An impact absorbing member is made of rigid polyurethane foam, and has a plate shape and recesses formed in at least one surface thereof such that the recesses are arranged in parallel along one direction. Each recess has a triangle section in a depth direction of the impact absorbing member, and has a sectional area decreasing toward a bottom thereof.
Claims7
An impact absorbing member made of rigid polyurethane foam, having a plate shape, and having recesses on at least one surface thereof arranged in parallel along one direction, wherein each of said recesses has a sectional area decreasing toward a bottom thereof.
Dependencies are inferred from the claim text.