ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,922, issued on June 30, was assigned to Voith Patent GmbH (Heidenheim, Germany).
"Roll cover and roll" was invented by Franz Grohmann (Schmidsdorf, Austria), Nina Eggers (Neunkirchen, Austria), Anton Horak (Vienna) and Stefan Pollaschek (Traiskirchen, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A roll cover and a roll in particular for use in a machine line for the production or processing of a fibrous web is provided, wherein the roll cover includes a radial outer functional layer which provides the surface of the roll cover in contact with the web, and wherein the functional layer has structural elements, in particular in the form of gr...