ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,021, issued on Nov. 4, was assigned to ArcelorMittal (Luxembourg).
"Method for mitigating the effects of coil collapse on hot strip mill coils" was invented by Yuefa Xiao (Tinley Park, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method is for mitigating the effects of coil collapse on hot strip mill coils. A hot strip coil is removed from the mandrel/downcoiler and pre-sagged to create an initial sag by allowing gravity cause the coil to sag in a first specific direction for a first period of time. Then, without coil eye support to limit sagging, the direction of the sag caused by the force of gravity is modified to a direction perpendicula...