ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,054, issued on June 16, was assigned to Luoyang Landglass Technology Co. Ltd. (China).
"Method for bending and tempering of curved glass using flexible shafts" was invented by Yan Zhao (Luoyang, China), Youcheng Zhu (Luoyang, China), Xiaochen Cui (Luoyang, China) and Zhiyong Shi (Luoyang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for bending and tempering of curved glass using flexible shafts is provided. During production of curved glass, after discharged from a heating furnace, glass is preformed with the two edge portions of the glass in the transverse direction being kept in the same plane and the middle portion of the glass ...