ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,905, issued on April 22, was assigned to FUJIFILM Corp. (Tokyo).
"Heat sealing device" was invented by Yujiro Fuchigami (Kanagawa, Japan) and Fumio Noji (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a heat sealing device that seals a film for packaging an article by heat welding, with the film sandwiching the article in between and being disposed in a partially overlapped state around the article, the heat sealing device including: a sealing head that heat-welds a seal portion to be sealed in the film; a first cooling head that cools the seal portion after heat welding by the sealing head; and a second cooling head...