Patents Represented by Attorney James G. A. Finkl & Sons Co. Staples

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  • High impact and thermal shock resistant die steel, dies, dies blocks and method of manufacture thereof
    Patent number: 5972130
    Abstract: A steel and tool made therefrom which in a tempered condition of 388 BHN or softer has high strength, high wear resistance together with excellent toughness in the range of 15% elongation and 35 ft-lbs. charpy and having the following composition:______________________________________ C .33-.39 Mn .50-.70 P .025 max. S .025 max. Si .40-.60 Ni 1.05-1.35 Cr 1.33-1.68 Mo .40-.60 Cu .60-.90 Al .010-.
    Type: Grant
    Filed: July 28, 1997
    Date of Patent: October 26, 1999
    Assignee: A. Finkl & Sons Co.
    Inventors: Algirdas A. Underys, Charles W. Finkl