PROBLEM TO BE SOLVED: To stably fold projecting parts together with side part regions, without increasing workload at usage.SOLUTION: A manufacturing method of an absorbent article includes: a preparation step of preparing a continuous body of semi-finished products formed by joining the semi-finished products of absorbent articles in the conveyance direction, the semi-finished product including a pair of projecting parts that project outward in the width direction and elastic members arranged stretchably in the width direction in an elongated state a shrinking step of shrinking the elastic member 11 to reduce a widthwise length of the semi-finished product 1b and to form plural wrinkles 11S in the elastic member a pressing step of pressing a widthwise central region MA of the semi-finished product while conveying the continuous body of the semi-finished products in the conveyance direction and a folding step of folding a pair of widthwise side part regions PA, PA of the semi-finished product along a pair of folding lines FL1, FL2 extending along the conveying direction towards the upper side of the central region, respectively, while conveying the continuous body of the semi-finished products in the conveyance direction.SELECTED DRAWING: Figure 7COPYRIGHT: (C)2018,JPO&INPIT【課題】使用時の作業負担を増加させずに、突出部を側部領域と共に安定的に折り畳む。【解決手段】吸収性物品の製造方法は、吸収性物品の半製品が搬送方向に連結されてなる半製品の連続体を準備する準備工程であって、半製品は幅方向の外側に突出する一対の突出部と、幅方向に伸縮可能に伸長状態で配置された伸縮部材と、を備える、準備工程と、伸縮部材11を収縮させて、半製品1bの幅方向の長さを小さくし、伸縮部材に複数の皺11Sを形成する収縮工程と、半製品の連続体を前記搬送方向に搬送しながら、半製品における幅方向の中央領域MAを押圧する押圧工程と、半製品の連続体を搬送方向に搬送しながら、半製品における幅方向の一対の側部領域PA、PAを、搬送方向に沿って延びる一対の折り線FL1、FL2で、中央領域の上方にそれぞれ折り畳む折り畳み工程と、を備える。【選択図】図7
