Electrical Equipment Lamination and Method of Manufacture Therefor

Abstract

A method for preparing a lamination for use in constructing electrical equipment includes providing a stamped lamination, the stamped lamination having been stamped using a stamping die from a sheet material, the sheet material being made from fully processed, non-grain oriented electrical steel; heating the stamped lamination in an annealing furnace to produce an annealed stamped lamination; and forming an oxidation layer on the annealed stamped lamination to produce an oxidized and annealed stamped lamination.

Dependencies are inferred from the claim text.