Patent ID: 11525472

Abstract:
The invention relates to a cooking oven comprising at least two entities made of sheet metal (2, 3), each sheet metal entity (2, 3) comprising at least one surface carrying an enamel layer, specifically a vitreous enamel layer, said enamelled sheet metal entities (2, 3) overlapping each other and a screw connection for grounding and coupling said enamelled sheet metal entities (2, 3), wherein a ground element is at least indirectly coupled with one of said enamelled sheet metal entities (2, 3) for grounding said stack of enamelled sheet metal entities (2, 3), wherein at least one screw (5) with a screw shaft (5.1) is provided through said enamelled sheet metal entities (2, 3), wherein the screw (5) is at least indirectly electrically coupled with the ground element and said screw shaft (5.1) comprises a thread for providing an electric coupling between the enamelled sheet metal entities (2, 3).