Latest sealing machines handle ‘green’ materials

Hermann Ultraschall showed its top seal module at interpack, that can seal eco-friendly materials securely to save energy and materials as well as helping to meet client sustainability needs. Thanks to the new solution, that seals the hermetic and cosmetic seal at the same time, companies can also reduce the overall size of their packaging machines.

When switching to environmentally friendly packaging materials, companies also have to change their processes as conventional joining methods often lead to film damage.

With the Top Seal Module (TSM) from Herrmann, heat is only generated for a short time by friction inside the materials when sealing stand-up pouches. This guarantees a perfect appearance even with single-layer films with the narrowest process windows and also prevents burns with paper-based packaging materials.

At the same time, the module contributes to reducing reject rates. The vibrations of the ultrasonics ensure that product residues or contamination are removed from the sealing area and produce a tight seal. This reduction in waste not only saves costs and packaging material, but also improves the sustainability record and significantly reduces food wastage caused by packaging leaks.

In addition, the intelligent ultrasonic generator monitors each individual seal. If faults do occur, for example, due to incorrect layers or folds in the seal area, the removal of the package is initiated directly from the generator.

Energy consumption can also be improved by switching to the TSM. Since the module seals without warm-up time and external heat, users can save up to 75% in energy with ultrasonic sealing – a major advantage in view of rising energy prices.

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