ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,704, issued on Dec. 23, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).
"Forming device and metal pipe" was invented by Kimihiro Nogiwa (Niihama, Japan) and Akihiro Ide (Niihama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A forming device is a forming device that forms a metal pipe with a flange and includes a forming tool for forming the metal pipe, in which the forming tool includes a first die and a second die that face each other in a first direction in a cross-sectional view, and a third die for regulating a planned flange portion of a metal pipe material, and the third die continues to correct misalignment of the planned flan...