US Patent No. 9,181,627

METHOD FOR COATING, POLE TUBE AND DEVICE FOR CARRYING OUT THE METHOD


Patent No. 9,181,627
Issue Date November 10, 2015
Title Method For Coating, Pole Tube And Device For Carrying Out The Method
Inventorship Grischa Norman Drollinger, Steinfeld (DE)
Marcel Sieme, Fuerstenfeldbruck (DE)
Christian Maus, Krefeld (DE)
Assignee Robert Bosch GmbH, Stuttgart (DE)

Claim of US Patent No. 9,181,627

1. A method for coating a workpiece consisting of two different metallic materials that form a material interface in a surface
region of the workpiece, the method comprising:
applying a corrosion-resistant layer to the workpiece; and
electrolytically applying a metallic adhesive layer to both of the two different metallic materials of the workpiece before
the application of the corrosion-resistant layer,

wherein the corrosion-resistant layer is a zinc layer, and
wherein the two different metallic materials are stainless steel and an unalloyed steel.