Device for manufacturing elastic laminate and method for manufacturing elastic laminate

A device for manufacturing an elastic laminate in which an elastic member is sandwiched between a pair of sheets, comprising:

• a pair of nip rolls configured to sandwich the pair of sheets with the elastic member interposed between the both sheets conveyed in longitudinal directions of the sheets and arranged such that axes of the pair of nip rolls are parallel;
• a guide member provided upstream of the both nip rolls in the conveying directions of the both sheets and configured to guide the elastic member to between the both sheets while feeding the elastic member in a longitudinal direction of the elastic member;
• and
• a drive mechanism configured to drive the guide member such that the guide member reciprocates along a travel path along a direction of the axes of the both nip rolls,
• the drive mechanism including a belt having the guide member fixed thereto, a plurality of pulleys configured such that the belt is provided thereon along an annular path including the travel path, a motor configured to drive the pulleys to be successively rotated in forward and reverse directions to reciprocate the guide member along the travel path and a regulating mechanism configured to permit a movement of the guide member relative to the both nip rolls along the travel path and regulate a movement of the guide member relative to the both nip rolls in a direction orthogonal to the travel path.