Process and device for forming and moving stacks of printed...

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 29/66 (2006.01) B65H 29/18 (2006.01) B65H 31/30 (2006.01) B65H 33/12 (2006.01)

Patent

CA 2172617

The present invention pertains to a process and a device for forming stacks from printed documents or other sheets (9). The sheets (9) are either moved forward individually or are separated from a web (2) of printed sheets by tearing or cutting, and they are arranged in a stream one on top of another such that the next sheet (9) comes to lie offset under the preceding sheet (9). The stack (10) is formed by the sheets (9) arranged in a stream coming into contact with a stop (11). To lose little time during the transfer of a finished stack (10) of sheets, a gap (25) is formed between the last sheet (9) belonging to the stack (10) and the next sheet before the sheets (9) are arranged in a stream. As soon as the last sheet (9) has reached the stacking position, the stop (11) is removed from its stop position, so that the stack (10) is moved away from the belt conveyor (20). The stop (11) is then returned into its stop position, and the next stack (10) is formed.

L'invention concerne un procédé et un dispositif permettant de former des piles de documents ou de feuilles (9) imprimées et de les déplacer. Les feuilles (9) sont déplacées vers l'avant individuellement ou séparées d'une bande imprimée (2) par déchirement ou par sectionnement et sont déposées les unes sur les autres de manière à ce que la feuille (9) qui vient immédiatement à la suite soit déposée en déport sous la feuille (9) précédente. La pile (10) est formée par le fait que les feuilles (9) ainsi déposées viennent toucher une butée (11). Afin de perdre le minimum de temps lors du déplacement d'une pile de feuilles (10) complète, un espace est formé entre la dernière feuille (9) d'une pile (10) complète et la suivante, avant que les feuilles ne soient déposées. Dès que la dernière feuille (9) a pris sa position dans la pile, la butée (11) est retirée de sa position d'arrêt, de manière à ce que la pile (10) de feuilles puisse être enlevée du convoyeur (20). Ensuite, la butée (11) est ramenée dans sa position d'arrêt et la pile (10) suivante est formée.

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