ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,786, issued on Aug. 4, was assigned to Graf Synergy S.r.l. (Nonantola, Italy).
"Machine for the welding of plastic profiled elements" was invented by Andrea Vaccari (Nonantola, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A machine (1) for the welding of plastic profiled elements comprises retaining means (3, 4) for retaining a first profiled element (5) and a second profiled element (6). Each profiled element has an area to be welded (7) inclined between 10deg and 80deg relative to its longitudinal direction and a square-shaped main face (5a, 6a). The main face (5a) of the first profiled element (5) projects from its area to be welded, while...