Patent ID: 7993486

Claim:
A treatment unit for the wet-chemical or electrolytic treatment of flat workpieces, comprising conveying members for transporting the workpieces in the unit on a conveying path, and treatment devices for the workpieces characterized in that the treatment unit further comprises a) carrier elements ( 4 , 5 ) with recesses ( 21 ), said carrier elements being oriented to be parallel to the conveying path and wherein all the recesses ( 21 ) have the same dimensions and shapes, or wherein a few differently configured groups of recesses are provided in the carrier elements ( 4 , 5 ), all recesses ( 21 ) of one group of recesses ( 21 ) having the same dimensions and shapes, and b) at least one module system, each one serving for carrying or securing at least one treatment device, said module system comprising insertion elements ( 26 ), said insertion elements ( 26 ) being configured such that they are fitted into the recesses ( 21 ) of the carrier elements ( 4 , 5 ), characterized in that at least one of the insertion elements ( 26 ) carry or secure either at least one treatment device or an ensemble of at least one conveying member and at least one treatment device ( 16 , 17 ); c) characterized in that said at least one treatment device ( 16 , 17 ) is any of: i flow nozzles; ii jet nozzles; iii fan nozzles; iv ultrasonic transducers; and/or v insoluble anodes.