Method for manufacturing a round bag

摘要

The device has anvil semi-shells (50,80) which are movable reverse relative to each other from an opening position into a closing position and define an interior in their closing position. The interior corresponds to the outer periphery of the circular bolt and comprising an ultrasonic sealing tool (10) which is movable to and away from the anvil semi-shells movable onto the anvil shells forward and backward.