US Patent Issued to KEIHIN RAMTECH on Jan. 27 for "Rotating member for friction stirring, welding apparatus, and welding method" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,744, issued on Jan. 27, was assigned to KEIHIN RAMTECH Co. LTD. (Yokohama, Japan).

"Rotating member for friction stirring, welding apparatus, and welding method" was invented by Ippei Sato (Yokohama, Japan), Toshiyuki Nezu (Yokohama, Japan) and Yoshiyuki Takaseki (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present teaching, which relates to friction stir welding, aims to provide a rotating member for friction stirring capable of welding with a high strength and with occurrence of a welding defect suppressed. A rotating member for friction stirring installed in a welding apparatus for performing friction stir welding of a weld...