The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 25, 2017
Filed:
Aug. 16, 2013
Applicant:
Windmöller & Hölscher KG, Lengerich, DE;
Inventors:
Ingo Rübbelke, Geseke, DE;
Markus Joppe, Mettingen, DE;
Assignee:
Windmöller & Hölscher KG, Lengerich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 47/86 (2006.01); B29C 47/00 (2006.01); B29C 47/06 (2006.01); B29C 47/26 (2006.01); B29C 47/88 (2006.01); B29C 47/92 (2006.01); B29C 47/14 (2006.01); B29C 55/28 (2006.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B29C 47/866 (2013.01); B29C 47/0026 (2013.01); B29C 47/0057 (2013.01); B29C 47/065 (2013.01); B29C 47/145 (2013.01); B29C 47/26 (2013.01); B29C 47/883 (2013.01); B29C 47/8835 (2013.01); B29C 47/92 (2013.01); B29C 55/28 (2013.01); B29C 2947/922 (2013.01); B29C 2947/92171 (2013.01); B29C 2947/92209 (2013.01); B29C 2947/92695 (2013.01); B29C 2947/92704 (2013.01); B29C 2947/92904 (2013.01); B29L 2007/008 (2013.01); B29L 2009/00 (2013.01);
Abstract
The invention relates to a die device () for an extrusion blow-molding apparatus () for producing a multilayered blown film (), with an inner surface () and an outer surface (), having a die orifice for the discharge of a multilayered material melt (), wherein a temperature-control device () is arranged in order to set a different temperature on the two sides () of the material melt (). The invention also relates to a method for equalizing the differences in viscosity of the materials of the layers () by a controlled () temperature setting.