Patents by Inventor Astrid Schnabel

Astrid Schnabel 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).

  • Extruding device
    Patent number: 9339965
    Abstract: The device serves for extruding and includes an extrusion head for connection to at least two extruders. Moreover, in the area of the extrusion head, at least one tool is arranged for shaping a product composed of at least two extruded materials. At least one expanding element is arranged in an area of the tool facing the extrusion head. The expanding element is constructed so as to be essentially smooth in an area of a first surface and has at least one flow path for the extruded material in the area of its second surface facing away from the first surface.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: May 17, 2016
    Assignee: HARBURG-FREUDENBERGER MASCHINENBAU GMBH
    Inventor: Astrid Schnabel
  • EXTRUDING DEVICE
    Publication number: 20130156876
    Abstract: The device serves for extruding and includes an extrusion head for connection to at least two extruders. Moreover, in the area of the extrusion head, at least one tool is arranged for shaping a product composed of at least two extruded materials. At least one expanding element is arranged in an area of the tool facing the extrusion head. The expanding element is constructed so as to be essentially smooth in an area of a first surface and has at least one flow path for the extruded material in the area of its second surface facing away from the first surface.
    Type: Application
    Filed: August 23, 2011
    Publication date: June 20, 2013
    Applicant: HARBURG-FREUDENBERGER MASCHINENBAU GMBH
    Inventor: Astrid Schnabel