Shrink wrap package

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 75/60 (2006.01) B65B 11/48 (2006.01) B65B 35/50 (2006.01) B65B 51/26 (2006.01) B65B 53/02 (2006.01) B65B 65/08 (2006.01) B65D 75/12 (2006.01)

Patent

CA 2239942

An improved machine is disclosed for stacking a plurality of flat objects (10). The improved machine for stacking is suitable for use with a packaging machine such as a shrink wrap packaging machine (4) for packaging the plurality of flat objects (10) with a heat shrinkable film (25). An input conveyor (44) individually conveys each of the plurality of flat objects (10) to the stacker (50). The stacker (50) forms a vertical stack of the flat objects (10) from the plurality of flat objects (10). The stacker (50) may be used in conjunction with a wrapper (90) to form the heat shrinkable film (25) into a film tube (30) with the vertical stack of flat objects (10) disposed therein. An input oven transport (110) transfers the vertical stack of flat objects (10) to a heat shrink oven (112) to form a heat shrink package (20) thereby. The invention is also incorporated into the shrink wrap package (20) having an electrostatic seal (32) enabling an operator to twist the heat shrink package (20) to fracture the electrostatic seal (32) for removing the stack of flat objects (10) therefrom.

Appareil amélioré destiné à l'empilage d'une pluralité d'objets plats (10). L'appareil amélioré d'empilage peut être utilisé avec une machine d'emballage dont une machine d'emballage (4) d'une pluralité d'objets plats sous pellicule thermorétrécissable (25). L'empileuse (50) forme une pile verticale d'objets plats (10) à partir d'une pluralité d'objets plats (10). L'empileuse (50) peut aussi être utilisée avec une emballeuse (90) pour donner à la pellicule thermorétrécissable (25) une forme tubulaire (30) entourant la pile verticale d'objets plats (10). Un mécanisme de transport d'entrée (110) assure le transfert de la pile d'objets plats (10) dans un four de rétraction (112) pour constituer un emballage (20). L'invention comprend également un dispositif de scellement électrostatique (32) dans l'emballage sous pellicule thermorétrécissable (20) pour permettre de manipuler la pile d'objets plats (10).

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