Patents Assigned to Rose M. DeZuba
  • Ceramic die and method of using same
    Patent number: 4038858
    Abstract: A complete all-ceramic die for use in wire-drawing operations includes a new and novel approach zone, bearing zone and back relief to thereby eliminate lubrication of the die and unwanted lubrication dust and wire scales.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: August 2, 1977
    Assignee: Rose M. DeZuba
    Inventor: James M. DeZuba