Patent ID: 11929465
Assignee: VARTA MICROBATTERY GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 5:
6. The energy storage element according to claim 1, wherein:
the first and the second housing part are both in a cup shape and each have a circular base and an annular side wall,
the first and the second housing part are electrically isolated from one another by an annular seal having electrically insulating properties,
the base and the annular side wall of the cup-shaped housing parts are each connected to one another by a transition region,
the annular side walls are each delimited first by the transition regions and second by a circumferential free edge that defines a circular opening, and
one of the housing parts is inserted into the other housing part with a circumferential free edge at the front such that the side walls of the housing parts overlap and form a double-wall annular housing region.