US Patent Issued to SHENZHEN BAK POWER BATTERY on March 17 for "Type of cap for cylindrical lithium battery and new type of cylindrical lithium battery" (Chinese Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,253, issued on March 17, was assigned to SHENZHEN BAK POWER BATTERY Co. LTD. (Shenzhen, China).

"Type of cap for cylindrical lithium battery and new type of cylindrical lithium battery" was invented by Junfeng Zhao (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a new type of cap for a cylindrical lithium battery, which includes a steel sheet, an explosion-proof sheet, a connection piece, a spacer ring and a seal ring. The steel sheet is defined with a through hole. The explosion-proof disc is arranged on one side of the steel sheet, and the explosion-proof disc is provided with a wrap edge, and the ...