ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,639, issued on Aug. 4, was assigned to YOSHINO GYPSUM Co. LTD. (Tokyo).
"Glue supply apparatus for gypsum board, gypsum board manufacturing apparatus, and gypsum board manufacturing method" was invented by Yuichi Hirooka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A glue supply apparatus for a gypsum board supplies glue to a board base paper of the gypsum board. The glue supply apparatus includes a tank section configured to store the glue; a supply port disposed near an end of the board base paper of the gypsum board and configured to supply the glue; and a pump section disposed on a glue supply path between the tank section and the supply...