ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,807, issued on March 25, was assigned to FOSBER S.P.A. (Pescaglia, Italy).

"Single facer for manufacturing a corrugated board with a pressing unit with a continuous flexible member" was invented by Mauro Adami (Viareggio, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The single facer includes a load-bearing frame for housing a first corrugating roller and a second corrugating roller, meshing with each other and mounted in the load-bearing frame. The single facer further includes a pivoting structure pivoted to the load-bearing frame about a pivoting axis and provided with a first guide roller and a second guide roller (35) pivotally supporte...