Patents Assigned to Chabas & Besson S.A.
  • Apparatus for calibrating and surfacing tubes
    Patent number: 4063439
    Abstract: An improvement in a process and apparatus for internal finishing and calibrating tubes is provided in which the internal surface of the tube is sprayed during the work on the tube with at least one lubricating jet directed to the work zone ahead of the passage of the tool.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: December 20, 1977
    Assignee: Chabas & Besson S.A.
    Inventor: Louis A. Besson