Carrier sleeve erecting apparatus and method

Details Carrier sleeve erecting apparatus and method Carrier sleeve erecting apparatus and method

B - Operations, Transporting

65

B

B65B 43/32 (2006.01) B65B 43/26 (2006.01)

Patent

CA 2176252

A method and means for opening a collapsed rectilinear carrier sleeve (B). As the collapsed sleeve (B) is moved through a packaging machine, it is partially opened so that the leading panel (14) extends at an angle to the horizontal. A continuous upward force is then delivered to the leading panel (14) to cause the leading panel (14) to pivot up about its upstream fold line (28) until it reaches the vertical. The collapsed sleeve (B) is partially opened by elevating side flaps (16) connected to an upper panel (12, 14) to cause the upper panel (12, 14) to be elevated. One way of accomplishing this is to cause the upper flaps (16) to ride up over a fixed cam surface (72) while lower flaps (18) connected to a lower panel (20) move under the cam (72) to prevent the lower panel (20) from moving in an upward direction.

L'invention se rapporte à un procédé et à un appareil servant à ouvrir un carton support rectiligne plié (B). Lorsque le carton plié (B) se déplace dans une machine d'emballage, il est partiellement ouvert de sorte que le panneau supérieur (14) forme un angle par rapport à l'horizontale. Une force supérieure continue est ensuite appliquée sur le panneau supérieur (14) de façon à ce que celui-ci pivote vers le haut autour de sa ligne de pliage amont (28) jusqu'à ce qu'il atteigne la verticale. Le carton plié (B) est partiellement ouvert lorsqu'on relève les volets latéraux (16) raccordés à un panneau supérieur (12, 14) afin de relever également ce dernier (12, 14). Pour réaliser ceci, il suffit de faire chevaucher les rabats supérieurs (16) sur une surface fixe de type came (72) tout en déplaçant les rabats inférieurs (18) raccordés à un panneau inférieur (20) sous la came (72) afin d'empêcher quele panneau inférieur (20) se déplace vers le haut.

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