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. 19, 2011
Filed:
Dec. 07, 2009
Applicants:
Achim-phillipp Sturm, Niederuzwil, CH;
Jürgen Schweikle, Niederhelfenschwil, CH;
Andreas Christel, Zuzwil, CH;
Federico Innerebner, Zurich, CH;
Inventors:
Achim-Phillipp Sturm, Niederuzwil, CH;
Jürgen Schweikle, Niederhelfenschwil, CH;
Andreas Christel, Zuzwil, CH;
Federico Innerebner, Zurich, CH;
Assignee:
Buhler AG, Uzwil, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29B 7/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
The method of degassing is performed in a ring extruder wherein at least one process chamber is provided with at least one degassing opening. The radius R of the conveyor element in the degassing zone is smaller by ΔR than the full radius Rv of the conveyor element required for the mutual stripping of adhering product in a closely intermeshing screw operation with adjacent conveyor elements.