Machines for binding packets of perforated sheets

摘要

A machine for binding packets of perforated sheets to book form with wire binding elements of the type comprising a series of curved "hair-pin" shaped prongs on which the sheets are impaled and which are brought to ring shaped by bringing their closed ends or "points" into the vicinity of their open ends or "roots," wherein a reception station is provided for the binding element to which a strip of formed binding wire of the kind set forth and which is in the open position may be fed in the direction of its length and at which there is a cutter movable transversely to cut a predetermined length of the strip and including means for conveying the cut lengths of binding element from the reception station to a binding station at which means are provided for closing the prongs of the element through the perforations of a packet of sheets to be bound.