FOLDING-BACK MECHANISM OF UPPERMOST PAPER PIECE IN ZIGZAG FOLDED-AND-STACKED STUFF, AND FOLDED-AND-STACKED STUFF FORMING EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To provide a folding-back device of an uppermost paper piece in a zigzag folded-and-stacked stuff, and a folded-and-stacked stuff forming equipment capable of folding back the uppermost paper piece in the zigzag folded-and-stacked stuff, and preventing reduction of the line speed.;SOLUTION: In a folding-back mechanism 50, a paper piece PA located at the uppermost part overlaps an upper side of a folded-back-and-stacked stuff in a folded-and-stacked stuff T in which a plurality of folded papers folded so that a pair of paper pieces overlap each other by folding a paper into two sections are alternately engaged with and overlapped each other. The folding-back mechanism comprises a suction member having a suction port to suck air in a lower side, and a suction member operating part to suck the suction member in an approaching/separating manner from the direction parallel to the upper side of the folded-and-stacked stuff T and from the direction across the upper side thereof.;COPYRIGHT: (C)2006,JPO&NCIPI