Patents Assigned to Industrie-Werke Karlsruhe Augsburg Aktiengesellschaft Zweignieder-Lassung Keller & Knappich
  • Cylinder arrangement for friction-welding machine
    Patent number: 4368662
    Abstract: A friction-welding machine of the type in which a cylinder arrangement applies pressure to urge two workpieces together upon the rotation of one of the workpieces against the other to prepare the interface for bonding. The cylinder arrangement which applies the welding pressure comprises a main cylinder whose piston acts upon the workpiece through a head formed with an auxiliary cylinder and piston arrangement greatly increasing the working range of the cylinder arrangement.
    Type: Grant
    Filed: March 7, 1980
    Date of Patent: January 18, 1983
    Assignee: Industrie-Werke Karlsruhe Augsburg Aktiengesellschaft Zweignieder-Lassung Keller & Knappich
    Inventor: Wilhelm Steinhart