ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,257, issued on Dec. 30, was assigned to AETNA GROUP S.P.A. (Verucchio, Italy).
"Wrapping machine" was invented by Andrea Renzini (Verucchio, Italy), Alessio Acciarini (Verucchio, Italy) and Gabriele Canini (Verucchio, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wrapping machine for wrapping a load with a film or band comprises a main frame which slidably supports a supporting carriage movable along a working direction, a moving ring rotatably supported by said supporting carriage and rotatable about a wrapping axis which supports an unwinding unit provided with a reel of film and pre-stretching rollers, a sliding electric contact assembly...