That’s when U.S. machinery makers engineered automatic equipment to unwind a web of film, fold it lengthwise into a tube, heat- and pressure-seal the bottom of the tube into a pocket, drop product into the pocket, seal the pocket closed, and cut the formed and filled tube away from the web, simultaneously forming the next pocket.
This technology has transformed American packaging from the operational business model prevalent in many places of the world, namely the made-somewhere-else-and-filled-here model, to the made-and-filled-here model.
