US Patent Issued to NIPPON STEEL on Feb. 3 for "Pre-painted metal sheet, burn-prevention cover, and manufacturing method of pre-painted metal sheet" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,250, issued on Feb. 3, was assigned to NIPPON STEEL Corp. (Tokyo).

"Pre-painted metal sheet, burn-prevention cover, and manufacturing method of pre-painted metal sheet" was invented by Fumio Shibao (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pre-painted metal sheet including a metal sheet and a void-containing paint film, which is located on at least one surface of the metal sheet, with dispersed fine particles and voids, wherein when a cross-section of the void-containing paint film cut in a thickness direction of the void-containing paint film is observed, the voids are present in 40 to 95 area % of a total area of the cross-section of ...