US Patent Issued to HANGON PRECISE ROLLING on May 12 for "Three-roller device for high-accuracy wall reduction and uniformation" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,266, issued on May 12, was assigned to HANGON PRECISE ROLLING Co. LTD. (Suzhou, China).

"Three-roller device for high-accuracy wall reduction and uniformation" was invented by Dong Liu (Suzhou, China) and Jianguo Wang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for high-accuracy wall reduction and uniformation includes: three rollers, three guide plates, and a plug. The three rollers are circumferentially evenly distributed along a rolling line which is a straight line of the moving direction of a billet being rolled. The three rollers are of unequal diameter rotating structure and each roller has a small end and a big end;...