ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,719, issued on May 26, was assigned to EGUN Co. LTD (Gwangju-si, South Korea).
"Apparatus for cutting curved wall of reactor structure" was invented by Sung Jun Lee (Gwangju-si, South Korea) and Chae Mun Lee (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for cutting a curved wall of a structure, of the present invention, may comprise; a guide rail mounted on a curved wall of a structure; a chain mounted on the guide rail; a support plate supported by the guide rail so as to be movable by means of a plurality of rollers; a body case coupled to the support plate; a sprocket mounted at the body case so as to rotate...