A disposable garment manufactured from a fusion-slit chassis having a pair of seams. The seams are formed by folding the chassis in the crotch portion so that the longitudinal side regions of the front portion and rear portion are superposed to form seaming areas; each seaming area is treated with ultrasonic...http://www.google.es/patents/US5236430?utm_source=gb-gplus-sharePatente US5236430 - Disposable training pant having fusion-slit side seams
Disposable training pant having fusion-slit side seams
