| 摘要 |
PURPOSE: A reinforcing structure of a bumper is provided to maximize the energy absorption by composing of more than two different materials, to easily produce and to reduce the production cost and the maintenance cost by combining after producing separately. CONSTITUTION: Each components of a reinforcing structure are composed of more than two different materials. An impact beam(20) and a tower(30) are composed of a material of high intensity such as a metal or a synthetic resin containing a glass fiber. The part of the tower is composed of a soft material such as a plastic. Thereby, the energy absorption efficiency at a clash is maximized.
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