ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,896, issued on Sept. 22, was assigned to SHANGHAI ZHILIAN PRECISION MACHINERY Co. LTD. (Shanghai).
"Flexible demolding device, core molding device, and core forming method" was invented by Shuangyin Xia (Shanghai), Guohong Zhou (Shanghai) and Guangyan Chen (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flexible demolding device, comprising a flexible substrate and a driving device. A plurality of forming holes are provided on the flexible substrate and penetrate through the thickness direction of the flexible substrate. The driving device drives the flexible substrate to move continuously in a defined direction. The driving device compr...