ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,357, issued on June 17, was assigned to MOLD-MASTERS (2007) Ltd. (Ontario, Canada).
"Hot runner system" was invented by Ralf Schunck (Pfinztal, Germany) and Kenneth Jacob (Tunkhannock, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hot runner system includes a manifold having a heater and a manifold channel network extending between a manifold inlet and a plurality of manifold outlets for distributing a molten plastic. A nozzle seated against the manifold and received in a respective manifold outlet has an extension portion received in the respective manifold outlet, a body portion projecting downstream from the extension portion, and a nozzle...