Ignition device, especially ignition plug for internal combustion engine, has at least one metal component is at least partly coated with protective coating of zinc-nickel alloy

摘要

The ignition device (10) has metal components in the form of an electrical connection arrangement (11) and a tubular metal housing (13) with an impressed screw-in thread (18). At least one of the metal components is at least partly coated with a protective coating of a zinc-nickel alloy. The connection arrangement and/or housing and/or thread can be provided with the protective coating.