Patent ID: 8985193
Filing Date: 2015-03-24
Classification: F28F,Y10T

Abstract:
1. A heat exchanger comprising: at least one collecting tank that extends in a longitudinal direction and comprises a base and a cover, the base at least one of its edge regions runs in the longitudinal direction; and a rim via which the base overlaps on an outside of an edge region running in the longitudinal direction of the cover or whereby the cover at least one of its edge regions running in the longitudinal direction has a rim via which the cover overlaps on the outside an edge region running in the longitudinal direction of the base, wherein the respective rim is substantially linear in the longitudinal direction and is devoid of tabs or projections, wherein portions of the substantially linear rim are deformed in the direction of the collecting tank center to fix the base and the cover to one another, each deformed portion of the substantially linear rim forming a peened portion, such that a plurality of peened portions are provided, and wherein at least one area of the substantially linear rim has peened portions having a greater width than peened portions in other areas of the substantially linear rim.