ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,109, issued on Sept. 16, was assigned to Seiko Epson Corp. (Tokyo).
"Dispersion device and accumulation device" was invented by Naoko Omagari (Nagano, Japan), Kensaku Matsuda (Nagano, Japan) and Toshizo Nishi (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a dispersion device including: a supply section having a supply pipe for supplying a material containing fibers together with air, and a chamber that has a first swirl flow forming portion forming a first swirl flow of the air containing the material and a second swirl flow forming portion communicating with the first swirl flow forming portion and forming a second...