US Patent Issued to Sonoco Development on March 4 for "Systems and methods for the application and sealing of end closures on containers" (German Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,642, issued on March 4, was assigned to Sonoco Development Inc. (Hartsville, S.C.).

"Systems and methods for the application and sealing of end closures on containers" was invented by Dirk Hatje (Mannheim, Germany) and Daniel Christoph Graf (Mutterstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is directed to a system and method for hermetically sealing a closure to a container comprising a die assembly and a mandrel assembly. The mandrel assembly comprises an outer mandrel, an inner mandrel, and an ejector disposed within an inner circumference of the inner mandrel. At least the outer mandrel is configured to translate a...