Patents Assigned to Otto Hofstetter AG, Werkzeug-und Formenbau
  • Ejection device
    Patent number: 6190157
    Abstract: The invention concerns an ejector for a discharging device for the removal of preforms which enables a partially cooled preform to be detached safely from a form tool and, on complete cooling, to be likewise removed from the discharging device safely and completely.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: February 20, 2001
    Assignee: Otto Hofstetter AG, Werkzeug-und Formenbau
    Inventors: Otto Hofstetter, Luis Fernandez