US Patent Issued to Aoyama Seisakusho on Aug. 11 for "Method for fastening piercing nut to stacked body of plate-shaped workpieces" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,146, issued on Aug. 11, was assigned to Aoyama Seisakusho Co. LTD. (Niwa-gun, Japan).

"Method for fastening piercing nut to stacked body of plate-shaped workpieces" was invented by Tsuyoshi Kojima (Aichi, Japan), Kazuki Akatsuka (Aichi, Japan), Kouji Murakami (Aichi, Japan), Kenichirou Araki (Aichi, Japan) and Naoki Shimada (Aichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fastening method capable of fastening a piercing nut to a stacked body in which a plurality of plate-shaped workpieces are stacked so as to develop a high fastening strength. A fastening method of a piercing nut 1 includes: a first clinching step of fastening a pierci...