Patents Assigned to Afon Haar Maschinenbau GmbH & Co.
  • Patent number: 5901598
    Abstract: A method for ejecting sheet metal parts from a press, the press comprising a stationary core die portion and a movable punching die portion driven during a working stroke towards and during a return stroke away from the core die portion by driving means, a drawing member encircling the movable punching die portion, a circular or annular portion of said movable punching die portion being biased by spring means, ejection means associated with the press between the dead center of the strokes, the ejection being adapted to move a part laterally out of the travel path of the movable punching die portion by a laterally directed force. The method comprises the steps of punching and molding the parts by the cooperation of the movable punching die portion and the core die portion during a working stroke. A part is taken along with the movable punching die portion during the return stroke by a vacuum between the punching die portion and the part.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: May 11, 1999
    Assignee: Afon Haar Maschinenbau GmbH & Co.
    Inventor: Thomas Haar