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:
Sep. 06, 2016
Filed:
Nov. 10, 2010
Ingo Ruebbelke, Geseke, DE;
Till Bergmann, Lotte, DE;
Ingo Ruebbelke, Geseke, DE;
Till Bergmann, Lotte, DE;
WINDMOELLER & HOELSCHER KG, Lengerich, DE;
Abstract
A device for calibrating membrane tubes which are extrudable by an extrusion die includes a ring along an interior wall with which the extruded membrane tube can be guided, and a cooling liquid supply source which can be used to provide a cooling liquid which can be conveyed to between the interior wall and the membrane tube. The ring includes at least one open chamber in the region where the membrane tube exits the ring, with at least one opening of the open chamber facing the membrane tube and being sealed with at least one permeable webbed piece. A vacuum can be applied to the chamber.