US Patent Issued to SANKEI GIKEN KOGYO, Nihon Yuki, SHIBAURA MACHINE on March 31 for "Molded foam manufacturing apparatus and screw for molded foam manufacturing apparatus" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,533, issued on March 31, was assigned to SANKEI GIKEN KOGYO Co. LTD. (Tokyo), Nihon Yuki Co. Ltd. (Sagamihara, Japan) and SHIBAURA MACHINE Co. LTD. (Tokyo).

"Molded foam manufacturing apparatus and screw for molded foam manufacturing apparatus" was invented by Kazuya Namiki (Isesaki, Japan), Hirofumi Ichikawa (Sagamihara, Japan) and Ikuro Tanaka (Numazu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A molded foam manufacturing apparatus 1 includes a cylinder 2 in which a plasticization zone 21 where a thermoplastic resin is plasticized and melted, a starvation zone 22 where the molten resin is put into a starvation state and an injected phys...