Patents Assigned to Seco Tools
  • Method and cutting insert for threading
    Patent number: 6341923
    Abstract: The present invention relates to a method and a cutting insert for threading. The method aims to produce a thread in a rotary work piece. The threading insert has a polygonal basic shape including at least one cutting corner. The cutting corner has two cutting tips with different projections which cutting tips each comprises a cutting edge, which is provided to form a thread top substantially between the cutting tips. The total projected length of the cutting edge is smaller than two thread pitches.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: January 29, 2002
    Assignee: Seco Tools
    Inventor: Matti Niemi