PROBLEM TO BE SOLVED: To provide a disposal diaper with a shrinking action of a stretching/contracting material which prevents distortion on the waist opening part and crumbling the outer side of the diaper, and to provide a method for manufacturing the diaper and a manufacturing device thereof.SOLUTION: A waste stretching/contracting material 51, which is arranged on a waste part of a disposal diaper, is provided on a width-direction center part of a front body side or a back body side of the disposal diaper in a discontinuous manner, so that distortion on the waist opening part 4 can be prevented by the effect of the shrinking action of the waste stretching/contracting material 51.COPYRIGHT: (C)2013,JPO&INPIT【課題】腰周り伸縮材の収縮作用によって腰周り開口部に歪みが発生し,使い捨ておむつの外形が崩れるという事態を防止できる使い捨ておむつ,その製造方法,及びその製造装置を提供する。【解決手段】使い捨ておむつの腹周り部に配置される腰周り伸縮材51を,使い捨ておむつの前身頃側又は後身頃側の幅方向中央部において,不連続に設けることにより,腰周り伸縮材51の収縮作用の影響により腰周り開口部4に歪みが発生することを防止できるという知見に基づくものである。【選択図】図1
