Method for producing spring rails for windscreen wipers

摘要

A method for producing a coated spring rail made of steel, in particular for windshield wipers with a rubber or elastomeric wiper blade, characterized in that a blank of steel provided with a zinc layer as the base layer, then a zinc-containing anchor layer by reaction of the zinc with oxygen-rich metal compounds of an oxidation state of at least 3 produced and applied to the anchor layer, a cover layer of a polymerizable powder coating and partially cured.