US Patent Issued to Tianjin University on Jan. 27 for "Backing welding process curve based on narrow-gap U-groove and its application and product" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,743, issued on Jan. 27, was assigned to Tianjin University (Tianjin, China).

"Backing welding process curve based on narrow-gap U-groove and its application and product" was invented by Lianyong Xu (Tianjin, China), Kangda Hao (Tianjin, China), Yongdian Han (Tianjin, China), Lei Zhao (Tianjin, China) and Wenjing Ren (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A backing welding process curve based on a narrow-gap U-groove and its application and product are provided. The backing welding process curve is used for welding the narrow-gap U-groove. On the basis of a CMT reference curve, at least one current pulse is introduced before a...