ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,724, issued on March 3, was assigned to FUTURA S.P.A. (Capannori, Italy).
"Calender and method for treating web-like materials" was invented by Gionata Mazzoni (Capannori, Italy) and Piero Bontempo (Capannori, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "Calender for treating web materials, comprising a structure for supporting two heated rollers forming a nip, wherein each roller has surface reliefs (RR) and in an operational setting of the calender the reliefs of one roller are radially opposed to those of the other roller, each roller rotates with a predetermined angular speed around its axis, the rollers are heated by heating means, and ...