BUMPER-REINFORCEMENT MEMBER AND PARTIAL REINFORCING METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To inexpensively provide a lightweight bumper-reinforcement member capable of preventing a car body from being affected even when a light collision occurs. SOLUTION: At least one hollow-structured closed cross-sectional part 7 which extends along the longitudinal direction of a bumper-reinforcement member 16, and a foaming filling material 30 packed nearly in the center part, are provided.