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:
Nov. 30, 2021
Filed:
Oct. 17, 2017
Applicant:
Windmöller & Hölscher KG, Lengerich, DE;
Inventors:
Martin Backmann, Lengerich, DE;
Tobias Kulgemeyer, Hagen a.T.W, DE;
Gerhard Middelberg, Lengerich, DE;
Assignee:
WINDMÖLLER & HÖLSCHER KG, Lengerich, DE;
Primary Examiner:
Int. Cl.
CPC ...
B29B 7/78 (2006.01); B29C 48/92 (2019.01); B29C 48/285 (2019.01); B29C 31/02 (2006.01); B29C 31/10 (2006.01); B29B 7/60 (2006.01);
U.S. Cl.
CPC ...
B29B 7/78 (2013.01); B29B 7/60 (2013.01); B29C 31/02 (2013.01); B29C 31/10 (2013.01); B29C 48/286 (2019.02); B29C 48/287 (2019.02); B29C 48/92 (2019.02); B29C 2948/9259 (2019.02); B29C 2948/92066 (2019.02); B29C 2948/92228 (2019.02); B29C 2948/92304 (2019.02);
Abstract
A method changes the material from a feed mixture to a subsequent mixture in a feed device of an extruder, the method comprising the steps of detecting a change request for changing the material, emptying a mixing area of a mixing device of the feed device, identifying the completion of the emptying of the mixing area, and filling the mixing area of the mixing device with the subsequent mixture after the completion of the emptying has been identified.