Bosch ultrasonic tech targets 'cold' packaging for confectionery goods

Published: 10 Jun 2009 03:11:55 PST

Germany's Bosch Packaging Technology targets a reduction in material costs and 'cold' packaging for delicate confectionery goods with its ultrasonic sealing technology.

The vertical form fill and seal machine SVE2515WR uses a method for joining thermoplastic materials together by emitting acoustic vibrations that create a 'tight, strong seam for closures'.

Targeted at doy-style stand up pouches, as well as gusseted and pillow bag packaging formats, Bosch claims its ultrasonic technology is an alternative to heat sealing, and can process conventional heat sealed packages, such as those composed of polypropylene and polyethylene film. In terms of cost savings, the firm suggests that by removing the heating element in their sealing process, manufacturers can potentially reduce the thickness of the sealant layer of packaging film structures, thereby cutting costs for materials. With the ultrasonic process, the packaging film is sealed with heat from friction generated by an oscillating tool, 'eliminating the need' for direct heat contact.