Patents by Inventor Joachim Lieven

Joachim Lieven has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Smoothing apparatus with drive motor directly coupled to the smoothing roll
    Patent number: 6781271
    Abstract: A smoothing roll for an apparatus for smoothing plastic foils and plates is driven directly by a rotor coaxially received with a stator in an outer housing with the rotor supported by a bearing on the outer housing or on a part of the housing extending coaxially into the rotor. The vibration-free arrangement eliminates chatter marks on the smoothed product.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: August 24, 2004
    Assignee: Reifenhauser GmbH & Co. Maschinenfabrik
    Inventors: Helmut Meyer, Joachim Lieven
  • Smoothing apparatus with drive motor directly coupled to the smoothing roll
    Publication number: 20040000826
    Abstract: A smoothing roll for an apparatus for smoothing plastic foils and plates is driven directly by a rotor coaxially received with a stator in an outer housing with the rotor supported by a bearing on the outer housing or on a part of the housing extending coaxially into the rotor. The vibration-free arrangement eliminates chatter marks on the smoothed product.
    Type: Application
    Filed: June 10, 2003
    Publication date: January 1, 2004
    Applicant: Reifenhauser GmbH & Co. Maschinenfabrik
    Inventors: Helmut Meyer, Joachim Lieven