ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,187, issued on Nov. 4, was assigned to THE JAPAN STEEL WORKS LTD. (Tokyo).
"Extruder and method of manufacturing resin product" was invented by Kazuya Yokomizo (Tokyo) and Yohei Fukuzawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An extruder includes a cylinder 2 and a die 5 attached to the cylinder 2. The die 5 has a resin flow path portion 22 to which a molten resin is supplied from the cylinder 2 and a hole 21 which is connected to the resin flow path portion 22 and from which the molten resin is discharged. The extruder further includes a pressure measurement unit 31 configured to measure a pressure of the molten resin in the cylinder ...