Patent ID: 9556960
Date: 2017-01-31
CPC Classifications: F16J

Claim:
1. A seal ring for a mechanical seal, comprising: a base body, a first layer applied to a first face side of a base body, and a second layer applied to a second face side of the base body, wherein at least one of the layers is configured as a slide surface of the seal ring, wherein a change in a geometry of the base body caused by the first layer is compensated at least in part by a change in the geometry of the base body caused by the second layer, wherein the first and second layers are multi-layered, wherein the first and second layers are DLC layers, and wherein an adhesive layer, including of at least one of hydrogenous amorphous carbon layers, tetrahedral hydrogenous amorphous carbon layers, modified hydrogenous amorphous hydrocarbon layers or metal-containing hydrogenous amorphous hydrocarbon layers, is provided in between at least one of: (i) the first layer and the base body, (ii) the second layer and the base body, or (iii) neighboring layers of at least one of the first and second layers.