Constellium Singen Gmbh

Jakob Mannherz

Matthias Kutscher

Kai Schwarz

Jochen Wiedemann

Thomas Schmid

A battery box for electric or hybrid motor vehicles, comprising a peripheral frame which has a generally convex polygonal shape, a bottom part and a top cover; the bottom part being joined to a lower surface of the peripheral frame, said peripheral frame comprising at least an aluminum extruded element, bent in a single direction in at least a position along the extrusion longitudinal direction according an angle wherein said bent aluminum extruded element at the said position presents at least two different inner radii of curvatures.

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Singen, Germany

Jakob Mannherz