The present invention provides a process of making a child's disposable absorbent training pant having a unitary waist elastic system that provides a substantially uniform low tension over a wide size range, a more comfortable fit, and improved ease of use....http://www.google.es/patents/US6551430?utm_source=gb-gplus-sharePatente US6551430 - Process for making a training pant having a unitary waist elastic system
Process for making a training pant having a unitary waist elastic system
