ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,687, issued on Dec. 9, was assigned to SBT Ultrasonic Technology Co. Ltd. (Shanghai).
"Welding head assembly" was invented by Hongjian Zhou (Shanghai) and Xinhua Shi (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The objective of the present invention is to provide a welding head assembly that can meet various welding requirements. The welding head assembly for ultrasonic welding to realize the objective mentioned above, comprising an acoustic rod, a vibrating rod and a connecting member, the vibrating rod is separated into two pieces, thereby separated into a first vibrating rod and a second vibrating rod by the acoustic rod, the first vib...