US Patent Issued to Metso Finland on May 12 for "Double shaft paddle mixer and arrangement and methods for producing paste" (Finnish Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,194, issued on May 12, was assigned to Metso Finland Oy (Espoo, Finland).

"Double shaft paddle mixer and arrangement and methods for producing paste" was invented by Janne Kauppi (Taipalsaari, Finland) and Vesa Koponen (Taavetti, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A double shaft paddle mixer, including a barrel chamber, and a first paddle screw and a second paddle screw. The first paddle screw is provided with first paddles and the second paddle screw is provided with second paddles. The barrel chamber includes a crushing zone and a mixing zone. The crushing zone is partly separated from the mixing zone by a partition member. A fi...