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How Induction Sealing Works

The induction sealing process involves an induction current being applied to a metal liner in a plastic cap. The bottle is first filled, then the cap is applied. The cap already has the liner inside. The liner contains the sealing material adhered to a foil layer. The induction current heats the foil liner, melting the sealant. The pressure of the threaded cap upon the bottle provides the required pressure. As the sealing layer cools, it adheres to the bottle. Pillar induction sealers provide crisp seals using this dependable process. 

However, Pillar continues to push forward the induction sealing process. We deliver state-of-the-art InSpec™ inspection services on-site to guarantee seal alignment, missing foil rejects, line speed rate, and power levels. At Pillar, we recommend an InSpec™ inspection at least every six months to keep your induction sealer running properly and efficiently. You can even set them up as recurring inspections, so you don't have to worry whether your induction sealing machine is up-to-date or not. 

We also offer a bottle and cap detection system that greatly reduces the shipment of an unsealed product. This package includes a laser to detect loose/cocked cap, an inductive sensor to alert missing foil, and a photoelectric eye and encoder for stalled bottle faults. The induction sealing process is a relatively simple process, but that doesn't mean that it cannot be improved. At Pillar, we are always seeking ways to push the process to newer heights — like with this state-of-the-art bottle and cap detection system

The induction sealing process can be carried out through larger, efficient models or by flexible, handheld induction sealers. Pillar offers a variety of induction sealing machines that differ in order to match the specifics of your operation. Maybe you're a smaller, family-owned business just looking to use a smaller model — our iFoiler™ Cadet is the perfect portable option that can deliver consistent seals in a handheld package. Or, if you're a bigger company rolling out bottle after bottle, consider our traditional iFoiler™ Induction Sealer that packages high functionality, energy efficiency, and seal integrity all into one. 

Induction sealing is necessary for a variety of markets needing plastic bottle sealing like pharmaceuticals, food and beverages, automotive, and many more applications. We have expertise aiding companies in all of these markets, so we know that our induction sealers can perform under the strenuous conditions that these industries can throw at them.