ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,479, issued on March 11, was assigned to YOSHINO KOGYOSHO Co. LTD. (Tokyo).
"Blow molding device" was invented by Hideaki Hoshino (Tokyo), Mitsuru Shiokawa (Tokyo) and Yuichi Okuyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blow molding apparatus is configured to blow mold a preform into a container by supplying a pressurized incompressible fluid into the preform from a pressurized fluid supply unit. The blow molding apparatus includes: a drawing and discharging flow path connected to a drawing orifice; a fluid drawing source to apply drawing force to the drawing and discharging flow path, after blow molding is completed and after an...