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:
Oct. 15, 2024
Filed:
Jan. 10, 2020
Applicant:
Teknologian Tutkimuskeskus Vtt Oy, Espoo, FI;
Inventors:
Hannu Minkkinen, Tampere, FI;
Juha Mannila, Tampere, FI;
Assignee:
TEKNOLOGIAN TUTKIMUSKESKUS VTT OY, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 27/272 (2022.01); B01F 23/43 (2022.01); B01F 23/47 (2022.01); B01F 35/92 (2022.01); B01F 35/90 (2022.01); B01F 101/00 (2022.01);
U.S. Cl.
CPC ...
B01F 27/2722 (2022.01); B01F 23/43 (2022.01); B01F 23/47 (2022.01); B01F 35/92 (2022.01); B01F 2035/98 (2022.01); B01F 2035/99 (2022.01); B01F 2101/2805 (2022.01); B01F 2215/0431 (2013.01);
Abstract
A single-screw extruder and method are disclosed wherein the extruder includes a cylindrical rotor member arranged in a barre, and a drive system for rotation of the rotor member in the barrel. The extruder includes an outlet-provided with a die, having an outer ring arranged to the barrel, and an inner die part, the die establishing a flow channel that is continuously circular in all its cross-sections.