ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,652, issued on Sept. 23, was assigned to ENERGY TECH SOLUTION Co. LTD. (Seoul, South Korea).
"Winding apparatus for cylindrical battery" was invented by Young Hwan Kim (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cylindrical battery winding apparatus comprises a pair of separator unwinding parts that unwind separators from separator rolls to separate a positive electrode material and a negative electrode material; a pair of alignment parts including grippers that pull and align one end of the positive electrode material and the negative electrode material respectively cut to a predetermined length; a winding part that stac...