Patents Represented by Attorney F. C. Sexton
  • Patent number: 3963451
    Abstract: A method of forming a high-temperature abrasion-resistant hard facing or coating on a ferrous metal substrate by employing an aluminothermic reduction reaction. The resultant article has a hard facing layer containing from 2 to 8 percent boron. Hard faced composite articles made by the invented method, such as sintering machine crash decks, coke pusher ram shoes and grizzly bars are also disclosed.
    Type: Grant
    Filed: February 15, 1973
    Date of Patent: June 15, 1976
    Assignee: United States Steel Corporation
    Inventors: Robert H. Kachik, Arthur J. Pignocco