US Patent Issued to Cleveland-Cliffs Steel Properties on April 14 for "Method for prevention of premature edge fracture at draw bead" (Canadian, American Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,950, issued on April 14, was assigned to Cleveland-Cliffs Steel Properties Inc. (West Chester, Ohio).

"Method for prevention of premature edge fracture at draw bead" was invented by Feng Zhu (Ontario, Canada), Sobhan Nazari Tiji (Ypsilanti, Mich.), Panagiotis Makrygiannis (Windsor, Canada), Jimmy J. Zhang (Troy, Mich.) and Yu-Wei Wang (Farmington Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for forming a steel material includes a first binder, a second binder, a punch and a carrier blank. The first binder and the second binder are configured to form a draw bead shape in the steel material by compressing the steel material be...