Patents Assigned to Severstal Sparrows Point, LLC
  • METHOD AND APPARATUS FOR POLISHING AN ALUMINUM-ZINC ALLOY HOT-DIP COATING AND THE PRODUCT THEREFROM
    Publication number: 20100136362
    Abstract: The present invention is directed to a method of polishing a minimum spangle aluminum-zinc alloy hot-dip coating applied to sheet steel to provide a polished hot-dip coating having a continuous, consistent surface appearance suitable for use in an unpainted condition.
    Type: Application
    Filed: January 29, 2010
    Publication date: June 3, 2010
    Applicant: Severstal Sparrows Point LLC
    Inventors: Henry N. Hahn, Ronald J. Dutton, Larry F. Crawford
  • Method for polishing and aluminum-zinc hot-dip coating
    Patent number: 7699686
    Abstract: The present invention is directed to a method of polishing a minimum spangle aluminum-zinc alloy hot-dip coating applied to sheet steel to provide a polished hot-dip coating having a continuous, consistent surface appearance suitable for use in an unpainted condition.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: April 20, 2010
    Assignee: Severstal Sparrows Point, LLC
    Inventors: Henry N. Hahn, Ronald J. Dutton, Larry F. Crawford