Steel object provided with protective composite coating of enamel and copper or a copper alloy and a final upper layer of enamel, notably for household appliances

摘要

Steel object provided with an enamel based composite coating made up of: (a) one or more layers incorporating copper or a copper alloy and enamel, with a total thickness of less than 9 microns; (b) an upper layer made up of enamel. An Independent claim is also included for the fabrication of this steel object provided with an enamel based composite coating.