Patents Assigned to Institute of Technology Precision Electrical Discharge Work's
  • Apparatus for extruding a honeycomb structural body
    Patent number: 4163640
    Abstract: A die for extruding a honeycomb structural body capable of preventing the deformation of the honeycomb structural body when the honeycomb structural body is extruded.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: August 7, 1979
    Assignees: NGK Insulators, Ltd., Institute of Technology Precision Electrical Discharge Works
    Inventors: Noboru Higuchi, Shoji Futamura