Patents Examined by Jerry Hearns
  • Self-sharpening coated tool constructions
    Patent number: 4583431
    Abstract: An improved self-sharpening refractory metal cutting tool presenting an overhanging cutting element of width about equal to the depth of the cut to be taken and of maximum thickness equal to tolerable tool flank wear is provided with a thin, chemically stable, chemically inert refractory coating metallurgically bonded to the rake face of the tool, at least on the rake face of the cutting element.
    Type: Grant
    Filed: November 3, 1982
    Date of Patent: April 22, 1986
    Assignee: General Electric Company
    Inventors: Ranga Komanduri, William R. Reed, Jr.