The continuous member having lined plurality of portions to be absorbent article in a continuous direction, by bending the bent portion a predetermined portion of the intersecting direction intersecting with the continuous direction, and folded in two in the intersecting direction, an apparatus for manufacturing a bi-fold member which is continuous in the continuous direction, by abutting from the valley side of the bent portion with respect to said continuous member going bent, restricting the movement of the intersecting direction of the bent portion while, has a guide member for guiding the bent portion so as to allow movement in the conveying direction of the bent portion, the conveying direction while abutting said continuous member from the valley side of the bent portion as said guide member apparatus for producing a clamshell member of the absorbent article endless movement guide member which moves the downstream is characterized in that is provided.吸収性物品となる部分を連続方向に複数並んで有した連続部材を、前記連続方向と交差する交差方向の所定部分を折り曲げ部として折り曲げることにより、前記交差方向に二つ折りして、前記連続方向に連続した二つ折り部材を製造する装置であって、折り曲げられていく前記連続部材に対して前記折り曲げ部の谷側から当接することにより、前記折り曲げ部の前記交差方向の移動を規制しながら、前記折り曲げ部の搬送方向の移動を許容するように前記折り曲げ部を案内するガイド部材を有し、前記ガイド部材として前記折り曲げ部の前記谷側から前記連続部材に当接しながら前記搬送方向の下流に移動する無端状の移動案内部材が設けられていることを特徴とする吸収性物品に係る二つ折り部材の製造装置。
