ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,135, issued on Dec. 2, was assigned to VALMET AB (Sundsvall, Sweden).
"System and methods for the calculation of additional local stretching in a web" was invented by Fabrizio Bartolini (Lucca, Italy) and Marco Capitani (Lucca, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to systems and methods for calculating the additional local stretching of a moving web through a converting process in order, during rewinding, to find the position of defects in the web that were identified during winding and stopping the web with the web defect close to or at a defect correcting station. The method comprises, during rewinding ...