ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,685, issued on March 25, was assigned to Saurer Intelligent Technology AG (Arbon, Switzerland).
"Sliver preparation" was invented by Heinz-Josef Peuker (Wegberg, Germany), Chandrassekaran Seshayer (Herzogenrath, Germany), Dirk Schiffers (Korschenbroich, Germany) and Sarah Meissner (Geilenkirchen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drafting system for conveying a sliver to an inlet opening of a vortex chamber of an air-jet spinning device, for a drafting system having an exit roller pair and at least one additional drafting system roller pair and/or apron roller pair. A sliver is supplied at a spinning station of an air-jet spi...