Source summary
Herrmann’s March 17, 2025 technical article discusses ultrasonic bonding in hygiene-product manufacturing and explicitly includes adult-incontinence diapers.
It describes differences from adhesive-based joining and process design intended to retain the softness of nonwoven materials. This is the equipment supplier’s explanation, rather than a new-machine launch or a customer-installation report. Cost, skin and environmental benefits have not been independently established by this article.