ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,175, issued on June 10, was assigned to SANOH INDUSTRIAL Co. LTD. (Tokyo).
"Thermoplastic tube bending method" was invented by Guang Ping Lan (Koga, Japan), Kazuhiko Nakazato (Koga, Japan), Takaaki Habu (Koga, Japan) and Kazuki Yasuraoka (Koga, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A thermoplastic tube bending method suppresses springback after the processing by a highly safe and short bending step. The thermoplastic tube bending method includes a step S1 of preheating the thermoplastic tube, a step S2 of bending the preheated thermoplastic tube by using a forming mold, and a step S3 of forming the bent thermoplastic tube by temperatu...