US Patent Issued to MITSUI CHEMICALS on Oct. 6 for "Blade, flying object, and manufacturing method thereof" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,909, issued on Oct. 6, was assigned to MITSUI CHEMICALS INC. (Tokyo).

"Blade, flying object, and manufacturing method thereof" was invented by Kazuya Mizumoto (Sodegaura, Japan) and Yoshihiko Kanda (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blade is provided in which the specific rigidity of a flap part is further increased. This blade has a thick body part and a thin flap part integrally formed in the rear end of the body part. The flap part has a skin material containing a fiber-reinforced thermoplastic resin, and a core material containing a thermoplastic resin foam filled inside the skin material."

The patent was filed on ...