Problem to be solved: to provide a manufacturing apparatus capable of obtaining a folded sheet member having two strips of strip members and capable of stabilizing the position of the folded sheet member derived from the torsion portion.A manufacturing apparatus 10 of a folded sheet member according to the present invention comprisesThe side area 1s on both sides X in the width direction of the belt member 1 to be conveyed is raised in the vertical direction ZThe sheet member 1 is folded in the longitudinal direction Y, and theThe folded portion 20 for forming the folded sheet member 2 andFolded sheet memberThe direction along the conveying direction Y is the axial direction.The torsion Part 40 is twisted around the axisBetween the fold part 20 and the torsion partA holding portion 30 for holding the folded sheet member 2 is provided.Diagram【課題】帯状のシート部材が二つ折りされた二つ折りシート部材が得られるとともに、捻り部から導出される二つ折りシート部材の位置を安定化させることができる製造装置を提供すること。【解決手段】本発明の二つ折りシート部材の製造装置１０は、搬送される帯状のシート部材１の幅方向Ｘ両側の側部域１ｓを鉛直方向Ｚに立ち上げ、該シート部材１を長手方向Ｙに沿って二つ折りして、二つ折りシート部材２を形成する二つ折り部２０と、二つ折りシート部材７を、その搬送方向Ｙに沿う方向を軸方向として、その軸周りに捻る捻り部４０とを備え、二つ折り部２０と捻り部４０との間に、二つ折りシート部材２を挟持する挟持部３０を有している。【選択図】図１
