PROBLEM TO BE SOLVED: To provide a disposable diaper for a pet fitted satisfactorily for the waist of the pet.SOLUTION: A disposable diaper for a pet comprises: a back side trunk periphery 130 a belly side trunk periphery 110 a crotch area 120 two end portions 130A and 110A in the diaper longitudinal direction two end portions 100A in a diaper longitudinal direction cross direction a tail insertion opening 190 an absorbent core 200 an absorbent core non-arranged region 170 a fixing portion 300 disposed in said belly side trunk periphery 110 a fixing area 900 for receiving said fixing portion 300 and a droplet-preventing sheet stretchable elastic member 600 arranged in a stretched state in a droplet-preventing sheet 800. The droplet-preventing sheet stretchable elastic member 600 is arranged in a predetermined area of the diaper longitudinal direction between the absorbent core 200 and the end portion 100A on the diaper longitudinal cross-direction, so that a standing portion 700 raised at the end portion on said diaper longitudinal direction is formed by the shrinkage of said droplet-preventing stretchable elastic member 600.COPYRIGHT: (C)2014,JPO&INPIT【課題】ペットの胴周りに対し良好にフィットするペット用使い捨ておむつを提供する。【解決手段】背側胴周り域130と、腹側胴周り域110と、股下域120と、おむつ長手方向上における両端部130A、110Aと、おむつ長手交差方向上における両端部100Aと、尻尾挿通開口190と、吸収性コア200と、吸収性コア非配置領域170と、前記腹側胴周り域110に設けられた止着部300と、前記止着部300を受ける止着領域900と、防漏シート800に伸長状態にて配置された防漏シート用伸縮性弾性部材600とを有し、防漏シート用伸縮性弾性部材600が、吸収性コア200とおむつ長手交差方向上の端部100Aとの間におけるおむつ長手方向の所定領域に配置され、前記防漏シート用伸縮性弾性部材600の収縮により前記おむつ長手方向上の端部が起立される起立部700が形成されるペット用使い捨ておむつ。【選択図】図12
