ROPP Capping Machine: A Complete Guide to How It Works and How to Choose One
Roll-on pilfer-proof caps show up everywhere — liquor bottles, sauces, pharmaceutical syrups, cooking oils — but the equipment that applies them works differently from a standard screw capper. A ROPP capping machine doesn’t tighten a pre-threaded cap the way most cappers do. It takes a smooth aluminum shell and forms the threads onto the bottle…