ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,022, issued on Nov. 25.
"Apparatus for extending service life of shot chamber for die casting application" was invented by Qingyou Han (Stow, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for extending service life of a shot chamber and for seasoning a molten alloy are provided. The apparatus can be placed on a shot chamber of a die casting machine, absorbing the impact of the molten alloy during pouring, delivering the molten alloy smoothly into a shot chamber, and seasoning the molten alloy so that the alloy can be die cast at temperatures below its liquidus. The use of such an apparatus is expected to significantly increase the...