ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,408, issued on Oct. 7, was assigned to EGUN Co. LTD. (Guangju-si, South Korea).
"Nuclear structure dry cutting apparatus" 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by the U.S. Patent & Trademark Office: "A wire saw apparatus comprises: a first pulley system from which a wire is withdrawn toward a structure to be cut; a second pulley system into which the wire is introduced from the structure; a first dust collection pipe unit provided to surround the wire between an end part at which surrounding of the structure by the wire ends and a part at which the wire is introduced into the first pu...