US Patent Issued to CITIC Dicastal on May 27 for "Preparation method for aluminum alloy cavity casting filled with special-shaped foamed aluminum" (Chinese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,435, issued on May 27, was assigned to CITIC Dicastal Co. Ltd. (Qinhuangdao, China).

"Preparation method for aluminum alloy cavity casting filled with special-shaped foamed aluminum" was invented by Xing Han (Qinhuangdao, China), Haifeng Liu (Qinhuangdao, China), Yu Sun (Qinhuangdao, China) and Xinlei Li (Qinhuangdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application discloses a preparation method for an aluminum alloy cavity casting filled with special-shaped foamed aluminum. The preparation method includes: preparing special-shaped foamed aluminum in a first mold by adopting a powder metallurgy foaming method; fixing the special...