ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,291, issued on March 18, was assigned to TRUKING TECHNOLOGY Ltd. (Hunan, China).
"Inner membrane removing device and inner membrane removing method thereof" was invented by Zhi Liu (Hunan, China) and Xufeng Xiao (Hunan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inner membrane removing device includes a heating membrane removing mechanism and a membrane suction mechanism located at a downstream of the heating membrane removing mechanism. The heating membrane removing mechanism includes a heating frame, a membrane pressing component, a membrane welding component configured to fusion weld a nest box inner membrane to a nest box inner lin...