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US 2013/0156876 A1Published application
Extruding device
AssigneeHarburg-Freudenberger Maschinenbau GmbH
InventorAstrid Schnabel
Life of this patent
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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.
Claims9
1-8. (canceled)
An extruding device, comprising:
- an extrusion head for connection with at least two extruders;
- at least one tool for shaping a product from at least two extruded materials;
- and at least one expanding element arranged in an area of the tool facing the extrusion head, wherein the expanding element is constructed so as to be substantially smooth in an area of a first surface and has in an area of a second surface facing away from the first surface at least one flow path for the extruded material.
Dependencies are inferred from the claim text.