Flat gasket and process for the production of a flat gasket
AssigneeElringKlinger AG
InventorWolfgang Fritz
Life of this patent
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Abstract
In order to provide a flat gasket, in particular cylinder head gasket, comprising at least one metal gasket sheet made of a spring steel or a metallic material with a percentage elongation after fracture corresponding to the percentage elongation after fracture of a spring steel, which has a novel structure, it is proposed that the gasket sheet is provided with at least one edging fold, which comprises a bending region and a flange region connected in one piece to the gasket sheet via the bending region.
Claims6
-26. (canceled)
Process for the production of a flat gasket, in particular a cylinder head gasket, which comprises at least one metal gasket sheet made of a spring steel or a metallic material with a percentage elongation after fracture corresponding to the percentage elongation after fracture of a spring steel,
- comprising the following process step:
- folding over at least one region of the metal gasket sheet to form a flange region of an edging fold folded over onto the gasket sheet and connected in one piece to the gasket sheet via a bending region of the edging fold.
Dependencies are inferred from the claim text.