a non - articulated wiper blade , which is constructed of a wiper strip having a wiper lip , two spring rails and a connecting device , wherein the spring rails engage in lateral longitudinal grooves of the wiper strip that are open towards the outside and are clasped by claw feet of a sheet metal claw of the connecting device from an outer narrow side . the claw feet are bent around the narrow sides of the spring rails during the assembly of the sheet metal claws , wherein at least one layer and / or an intermediate layer of plastic are provided between the claw feet on the one hand and the spring rails on the other hand , which layers are manufactured separately from the wiper strip and are adapted to the claw feet as well as have a high coefficient of friction on their surface towards the sheet metal claw and towards the spring rails .