US Patent Issued to Nissan Motor on April 21 for "Low-pressure casting apparatus" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,760, issued on April 21, was assigned to Nissan Motor Co. Ltd. (Yokohama, Japan).

"Low-pressure casting apparatus" was invented by Seigo Shorei (Kanagawa, Japan) and Giichirou Okamura (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A low-pressure casting apparatus includes a lower mold disposed on a holding furnace, an upper mold configured to be raised and lowered relative to the lower mold, and a plurality of side molds disposed above the lower mold. A cavity is formed between the lower mold, the upper mold and the side molds. The lower mold includes a lower cast main part forming an inner bottom surface of the cavity, and a lower...