ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,147, issued on July 22, was assigned to GDM S.P.A. (Bologna, Italy).
"Ultrasonic welding system" was invented by Matteo Piantoni (Albino, Italy) and Alessandro Zavalloni (Sesto ed Uniti, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic welding system and method for making welds on a strip made of polymeric material. The system includes a supporting structure, N welding equipment mounted thereon, and a processor. Each N welding equipment includes a pair of welding heads made of a sonotrode, including a sonotrode welding surface, and an anvil, including an anvil welding surface. One of the two welding heads is movable with respect to...