ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,064, issued on June 10, was assigned to COPROMEC DIE CASTING S.R.L. A SOCIO UNICO (Roe Volciano, Italy).
"Head and lubricated piston" was invented by Carlo Schivalocchi (Brescia, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A piston head for making a piston of a press for a die-casting machine comprises a head body wherein at least one ring seat suitable to receive a respective sealing ring, is obtained. A lubrication circuit is obtained in the head body and comprises at least one lubrication end duct leading into a surface channel which runs through the bottom wall of the ring seat in order to convey the lubricant towards gaps between seali...