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US 2009/0212031 A1Published application
Method for Producing a Sealing Ring
AssigneeCarl Freudenberg KG
InventorsHermann Stahl, Norbert Schnabel
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Abstract
A method for producing a sealing ring in which a hollow cylinder is first formed from a sheet metal, the mutually contacting edges of the sheet metal being joined in a substance-to-substance bond, the bond being produced in such a way that a bead is formed at least on the outer periphery, along the mutually contacting edges, and is flattened in a subsequent working process.
Claims10
A method for producing a sealing ring comprising:
- first forming a hollow cylinder from a sheet metal, joining mutually contacting edges of the sheet metal in a substance-to-substance bond, the bond being produced in such a way that a bead is formed at least on an outer periphery;
- along the mutually contacting edges;
- and
- flattening the bead in a subsequent working process.
1 more element
Dependencies are inferred from the claim text.