US Patent Issued to THE JAPAN STEEL WORKS on April 7 for "Die, method of manufacturing die, extruder and method of manufacturing pellet" (Japanese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,709, issued on April 7, was assigned to THE JAPAN STEEL WORKS LTD. (Tokyo).

"Die, method of manufacturing die, extruder and method of manufacturing pellet" was invented by Soichiro Matsuda (Tokyo), Hiroyuki Kawano (Tokyo), Tomonori Hashimoto (Tokyo), Fumiya Yamabe (Tokyo) and Naoki Ueda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A performance of a die is improved. An injection hole IH, a nozzle NZa and a nozzle NZb are formed in a center member DIa of a die DI to extend from an extrusion surface ES to an injection surface IS. A heat source HT and a plurality of heat insulating layers HI1 are arranged inside the center member DIa. One of t...