US Patent Issued to KING STEEL MACHINERY on Oct. 6 for "Injection molding method" (Taiwanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,467, issued on Oct. 6, was assigned to KING STEEL MACHINERY Co. LTD. (Taichung City, Taiwan).

"Injection molding method" was invented by Liang-Hui Yeh (Taichung City, Taiwan) and Ching-Hao Chen (Taichung City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An injection molding method includes providing a molding device including a first mold, a second mold over the first mold and a first mold cavity defined by the first mold and the second mold; injecting a first material into the first mold cavity; forming a first layer from the first material; replacing the second mold by a third mold; injecting a second material into a second mold cavity de...