Sealing element and manufacturing process
AssigneesElringKlinger Kunststofftechnik GmbH, ElringKlinger AG
InventorsBenjamino Rocco Formisano, Ardijan Halili, Harald Schober
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Abstract
A sealing element made of a plastic, which is embodied to seal against an actuator and consists of a plastic or resin that can be handled in an injection molding process. In order to significantly improve a sealing tightness of injection molded sealing elements made of a plastic, according to the invention the sealing element, as a direct product of an injection molding process, is provided with a structure in the form of a groove in the sealing surface, which groove is distributed over the periphery of the sealing surface.
Claims9
A sealing element that is embodied to seal against an actuator, the sealing element consists of a plastic or resin, which is compatible for use in an injection molding process,
- wherein, as a direct product of an injection molding process, the sealing element is provided with a structure having at least one groove in a sealing surface, and the groove is distributed over a periphery of the sealing surface, wherein the structure of the sealing surface is a microstructure and an axial surface roughness throughout a groove structure of the sealing surface has an average roughness value Ra<1 μm or a lower limit of an average roughness depth Rz<2 μm.
Dependencies are inferred from the claim text.