ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,828, issued on Jan. 27, was assigned to YOSHINO GYPSUM Co. LTD. (Tokyo).
"Smoother and gypsum board manufacturing device" was invented by Takumi Hatanaka (Tokyo) and Seiji Tanikawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A smoother includes a conveying device for a molded body; a pair of arms that are respectively disposed to face both widthwise ends of the conveying device, and in which longitudinal ends of the arms are swingable in upward and downward directions with respect to a conveying surface of the conveying device; a smoother plate fixed to a pair of facing ends of the longitudinal ends of the pair of arms; weights that are re...