Robert Boschgmbh

Lukas Oehm

Ulrich Wieduwilt

Sascha Bach

Marko Liebler

The invention relates to a cross seam joining device for a flexible packaging having at least one ultrasonic applicator (-), which is rotatably mounted on a shaft () and can be rotated about an axis () of the shaft () arranged longitudinally to the cross seam (). The ultrasonic applicator (-) is designed to produce and bundle ultrasounds in a frequency range of 0.1 MHz-0.5 MHz, preferably from 0.5 MHz-2 MHz.

Cross seam joining device for joining a sealing seam for a flexible packaging

The invention relates to a method for joining a sealing seam of a tubular bag packaging by means of an ultrasonic applicator (), characterized in that said ultrasonic applicator () generates ultrasonic waves at a frequency of between 0.1 MHz and 5 MHz, preferably between 0.5 MHz and 2 MHz. The invention also relates to a longitudinal seal joining device of a tubular bag machine for use with said claimed method.

Method for joining a sealing seam of a tubular bag packaging by means of an ultrasound applicator and longitudinal seal joining device for use with said method

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Dresden, Germany

Lukas Oehm