Patents Assigned to American Electric Fusion Co., Inc.
  • Induction welding apparatus for manufacture of tubing
    Patent number: 4268736
    Abstract: Induction welding apparatus for manufacture of tubing which includes a modifier between the induction coil and pressure rolls, an impeder inside the tube with laminations parallel to the radius of the tube which intersects the tube slit, a device for stabilizing the impeder, a device for moving the impeder in the direction of the tube axis, and special shielding means for the pressure rolls.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: May 19, 1981
    Assignee: American Electric Fusion Co., Inc.
    Inventor: Michel C. Cuvelier