ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,640, issued on Aug. 25.
"Heat shrink packaging system" was invented by Mark W. Holderman (Spokane, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present apparatus and system relate to a shrink wrap packaging system. The system includes an oven that is a cavity with heating elements positioned inside. A cooling bar traverses the oven. Dies on a conveyor hold packages with shrink wrap sleeves fitted thereon and move the packages through the oven. The cooling bar thermally affects the shrink wrap sleeves such that the sleeves do not immediately begin to shrink as they enter the oven. Rather the cooling bar protects the upper portion of the s...