Yamakawa Industrial Co.

Hiroshi Fujii

Mitsuo Masuda

A bumper reinforcement has a reinforcement main body (2) made of a long panel (3) having a trough-shaped cross-section along its whole length, a plurality of ridges (6) each expanding toward an open longitudinal side of the panel (3) are made on opposing faces of end portions of the reinforcement main body (2), resulting in curved end portions (5) of the reinforcement main body (2). Parallel beads (12) for controlling anti-buckling strength of the reinforcement are formed on opposing faces of an intermediate portion of the reinforcement main body except for its end portions.

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Shizuoka, Japan

Hiroshi Fujii