ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,954, issued on Jan. 13, was assigned to SAMSUNG SDI Co. LTD. (Yongin-si, South Korea).
"Roll pressing device" was invented by Sungho Yoon (Yongin-si, South Korea), Jaesoon Jang (Yongin-si, South Korea) and Jun-Ho Park (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A roll pressing device may include a roller configured to pressurize a substrate provided with an active material, and provided with a pair of cooling lines through which a coolant circulates, respectively, a shaft supported by a bearing and configured to drive the roller, a pair of supply lines provided on both sides of the shaft and configured to supply the coolan...