Banding of a stack of articles

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 13/18 (2006.01)

Patent

CA 2620998

The invention relates to a method and to a device for banding a stack of products which are to be stacked (52). A band (22) is unwound from a store roll of a band machine (10) and a loop (62) is formed for the stack of products which is to be stacked (52), by means of a band insertion/withdrawal unit (39). After the free end of the band is fixed in a return device and the band (22) is pulled to the stack of products which is to be stacked, the free end is stuck or welded and the pulled loop (62) is cut. In a program- controlled, continuous process and prior to changing the band, the end of the band (22) of a first band roll (18) is detected and the remainder of the band (22) is retracted. Then, the band (22) threaded into the band store (25) of a second complete band roll (20) is inserted into the band insertion/withdrawal unit (39) and the band continuos with delay. The end of the totally automatic band exchange is optically and/or acoustically displayed and the roll can change without pressure.

L'invention concerne un procédé et un dispositif de banderolage d'une pile de produits à emballer (52). Une banderole (22) est déroulée d'un rouleau à réservoir de bande d'une machine de banderolage (10) et une boucle (62) est formée pour la pile de produits à emballer (52) au moyen d'une unité d'insertion et de retrait de bande (39). Une extrémité libre de la banderole étant fixée dans un dispositif de retour, la banderole (22) est tirée contre la pile de produits à emballer (52), l'extrémité libre est collée ou soudée et la boucle (62) tirée est coupée. Dans un processus continu programmé, avant un changement de bande, l'extrémité de la banderole (22) d'un premier rouleau de bande (18) est détectée et le reste de la banderole (22) est retiré. Puis, la banderole (22) embobinée dans le réservoir (25) d'un deuxième rouleau de bande (20) plein est insérée dans l'unité d'insertion et de retrait de bande (39), le banderolage étant poursuivi sans retard. La fin du changement de bande entièrement automatique est affichée de manière optique et/ou acoustique, le rouleau pouvant être changé sans précipitation.

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