ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,949, issued on Aug. 19, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).
"Notching mold" was invented by Sung Chul Park (Daejeon, South Korea), Sang Wook Kim (Daejeon, South Korea), Sin Young Park (Daejeon, South Korea) and Dong Hyeuk Park (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A notching mold for molding a non-coated portion of an electrode base material, wherein the non-coated portion, is formed on each of two ends of a coated portion, includes: a main mold having an upper mold and a lower mold, parallel to each other, and are slidable close to or away from each other. A first auxiliary mold having auxili...