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

摘要

The invention relates to a method for joining a sealing seam of a tubular bag packaging by means of an ultrasonic applicator (10), characterised in that said ultrasonic applicator (10) 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.