Nissan Motor Company Limited

Masaomi Takagi

Takahiro Watanabe

Hideyori Sakuragi

A metallic product has a metallic curved hollow member having a hollow cross section which has a thin wall portion and a thick wall portion which is thicker than the thin wall portion. The metallic curved hollow member is produced by bending a metallic straight hollow member produced by extrusion of aluminum material which is one of aluminum and aluminum alloy. Another metallic product has a metallic curved hollow member having a hollow cross section which has a cross-shaped portion. The metallic curved hollow member is produced by bending a metallic straight hollow member produced by extrusion of aluminum material which is one of aluminum and aluminum alloy.

Aluminum hollow bent member and vehicular member construction

A subframe for suspension of a vehicle includes at least a hollow frame member and a connecting member joined with an end of the hollow frame member. The connecting member includes a bracket section supporting a link of a suspension, and a collar section formed with a circular hole for receiving an insulator. The connecting member further includes at least one projection projecting from the collar section and defining an enlarged continuous joint surface with the collar section. The hollow member is joined by butt welding to the joint surface formed by the projection and the collar section.

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Yokohama, Japan

Masaomi Takagi