ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,888, issued on June 10, was assigned to Outokumpu Oyj (Helsinki).
"Method for manufacturing of stainless steel strips" was invented by Esa Puukko (Tornio, Finland) and Leeni Aula (Keminmaa, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for manufacturing strips of stainless steel, comprising hot rolling in an initial process (A) and subsequently cold rolling in a cold rolling line (B). The hot rolling is stopped when the strip thickness has been reduced to a thickness between 2.0 mm and 6.5 mm. The subsequent cold rolling is passed at least one time through said cold rolling line, which comprises in the foll...