Several unorthodoxies on the filling line make it possible for this soft, squeezable, straight-walled polypropylene container to resist paneling after hot-filling. Also new is a first-of-its-kind on-line shrink label application in a bottling plant.
The Tri-Gard® Separating cap liner from Tri-Seal (Blauvelt, NY) lets packagers accomplish two goals at once. The multi-layered liner, already inside the cap when supplied to the packaging line, is induction sealed to a plastic bottle to provide a secure seal and tamper evidence.
American Beverage Marketers warm-fills its Finest Call cocktail mixes into new PET bottles, then injects liquid nitrogen. The LN2 prevents bottle paneling and helps to extend shelf life. The PET bottle replaces PP, providing greater clarity and appeal for the product's introduction to the retail market.
Until recently, bottlers of shelf-stable juice drinks had only two plastic packaging options: bottles of polyethylene terephthalate (PET) and polypropylene/ethylene vinyl alcohol/polypropylene (PP/EVOH/PP) containers.
In addition to flexible changeover, Glaxo Wellcome's clinical trial packaging line makes a high priority of quality-assured packaging. Its capper, sealer and bottle packer/counter are designed to maximize accuracy while minimizing errors.