ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,524, issued on Oct. 21, was assigned to KIMURA FOUNDRY Co. LTD. (Shizuoka, Japan) and OKUMA Corp. (Aichi, Japan).
"Mold manufacturing method" was invented by Kazutoshi Yoshimura (Gunma, Japan), Takumi Nishiwaki (Shizuoka, Japan), Yuya Obara (Aichi, Japan) and Takayuki Kakuda (Aichi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a mold manufacturing method with which the requirement of a wide variety of products in a small lot can be satisfied. A cutting step includes forming, through cutting, mold matching surfaces in respective upper and lower molds and forming, through cutting, cavities C1 and C2 in the respective upper and lowe...