ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,442, issued on Oct. 7, was assigned to Graf Synergy S.r.l. (Nonantola, Italy).
"Machine for welding profiled elements made of plastic material" was invented by Andrea Vaccari (Nonantola, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "The machine (1) comprises at least one main welding device (3) of a first profiled element (4) and a second profiled element (5) which extend along their respective longitudinal directions and are each provided with at least one extremal area to be welded (6), the main welding device (3) comprising: main retaining means (18, 19) of the profiled elements (4, 5); main heating means (20) adapted to heat the extremal a...