This making web W this connection component touch 4, in order for both sides edge Wa of web W and Wb to become specified position relationship mutually, it is arranged the snapping section according to both sides of 2 which snaps web W to two and web and W it is provided in conveying expedient 10A of the pair which conveys web W to longitudinal direction X, 10B and each conveying expedient 10A and 10B, in intersection direction D of web W displacement possible plural retention expedients in order to correct the position relationship between of 20 and web W and this connection component 4, this connection component 4 in the high level retention expedientIt has with the control means 200 which control displacement expedient 3 the displacement expedient the detection expedient on the basis of the information of 3 which outputs the information of the position regarding the position of intersection direction D of 30 which makes 20 intersection direction displace D and web W and position.当接部材4にウェブWを当接させて、ウェブWの両側縁Wa,Wbが互いに所定の位置関係となるようにウェブWを2つに折る折り部2と、ウェブWの両側に沿って配置されウェブWを長手方向Xに搬送する一対の搬送手段10A,10Bと、各搬送手段10A,10Bに設けられ、ウェブWの横断方向Dに変位可能な複数の保持手段20と、ウェブWと当接部材4との位置関係を修正するために、当接部材4の上流において保持手段20を横断方向Dに変位させる変位手段30と、ウェブWの横断方向Dの位置に関する位置情報を出力する検出手段3と、位置情報に基づいて変位手段3を制御する制御手段200とを備えている。