Importance

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Abstract

An improved process and system for producing folded boxes which system includes a device for printing sheets of material with the configuration of boxes, a device for die cutting the box blanks from the printed sheets and producing piles of box blanks, a folding and gluing machine to form a folded box from the box blank, characterized by a device for transferring the piles of box blanks between a discharge of the device for die cutting and a receiving station of the folding and gluing machine. The transfer device includes means for loading at least one pile of box blanks onto an empty pallet, a conveyor for conveying the loaded pallet to a storage area of loaded pallets, a device for removing a loaded pallet from the storage area and transporting the loaded pallet individually to an unloading station, a device for unloading each of the piles disposed on a loaded pallet to form an empty pallet and transporting the piles to the receiving station, a conveyor device to transport the empty pallets to a storage station for empty pallets and a device for removing the empty pallets from the storage station and transporting the empty pallets to the device for loading piles thereon. Preferably, the system includes two stacking units and two unstacking units which are utilized to stack the loaded pallets into a stack of loaded pallets for transfer to the storage area and unstacking device for unstacking the pallets prior to being conveyed to the unloading device for unstacking the pallets prior to being conveyed to the unloading station, a second stacking device for stacking the empty pallets into a stack of empty pallets for transfer to the storage station and a second unstacking device for unstacking the empty pallets prior to being conveyed to the loading station.

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First Claim