ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,070, issued on Sept. 23, was assigned to Covestro Deutschland AG (Leverkusen, Germany).
"Measurement device and method for detecting local thickenings in a film web" was invented by Alexander Paulus (Leverkusen, Germany), Klaus Meyer (Dormagen, Germany), Joerg Nickel (Dormagen, Germany) and Jan Holtermann (Neuss-Grefrath, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a measurement device (10) for detecting local thickenings in a film web (20), more particularly an extrusion and/or coextrusion film, having a first roll (14) for rolling on the film web (20) that can be moved along, a second roll (18) that can be supported indirec...