Patents by Inventor Frank Pritz

Frank Pritz 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).

  • Extrusion blow molding machine and method for the production of a hollow plastic body
    Patent number: 8419993
    Abstract: The invention relates to an extrusion blow molding machine (1) with at least one extrusion head (2) and with at least two sheet dies (3), arranged next to one another, for the extrusion of sheet-like plastic preforms (4), with a multipart molding die (5) for processing two preforms into an essentially closed hollow body, having a device for handling the preforms (4). The device for handling the preforms comprises at least two grippers (10), arranged next to one another on a common carrier (8), for receiving the preforms (4), the distance between the grippers (10) being variable.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: April 16, 2013
    Assignee: Kautex Textron GmbH & Co. KG
    Inventors: Matthias Franke-Maintz, Klaus Maier, Frank Pritz
  • EXTRUSION BLOW MOLDING MACHINE AND METHOD FOR THE PRODUCTION OF A HOLLOW PLASTIC BODY
    Publication number: 20100252964
    Abstract: The invention relates to an extrusion blow molding machine (1) with at least one extrusion head (2) and with at least two sheet dies (3), arranged next to one another, for the extrusion of sheet-like plastic preforms (4), with a multipart molding die (5) for processing two preforms into an essentially closed hollow body, having a device for handling the preforms (4). The device for handling the preforms comprises at least two grippers (10), arranged next to one another on a common carrier (8), for receiving the preforms (4), the distance between the grippers (10) being variable.
    Type: Application
    Filed: May 6, 2008
    Publication date: October 7, 2010
    Applicant: KAUTEX TEXTRON GMBH & CO. KG
    Inventors: Matthias Franke-Maintz, Klaus Maier, Frank Pritz