Housing parts, in particular housing sub-assemblies, energy storage housing, energy storage housing and process for making a housing part

摘要

the housing part, in particular the housing sub-part, of an energy storage housing, comprising two adjacent and parallel longitudinal elements extending along a longitudinal direction, the longitudinal elements being connected on the side by means of interfaces, where a plate-shaped ground element is attached to the longitudinal elements and where the longitudinal elements have contact areas oriented towards the ground element over which the ground element is attached to the longitudinal elements, and where three welding seams extending along the longitudinal direction are formed at the contact areas.