A can with a cover provided with a pull ring

Details A can with a cover provided with a pull ring A can with a cover provided with a pull ring

B - Operations, Transporting

65

D

B65D 17/34 (2006.01) B65D 21/032 (2006.01) B65D 17/40 (2006.01)

Patent

CA 2265684

A can with a cover comprises a pull ring (5) and a score line (7) adjacent the closing flange (8) of the cover, and a bottom closing flange (9). The nose (5b) of the pull ring (5) is spaced such a distance (x) from the weakening line (7) that two cans (1', 1 ) can be stacked atop one another without any risks of damaging the pull ring. When the handle part (5a) is lifted, the pull ring is displaced the distance (x) outwards towards the cover flange (8) before it perforates the cover through the score line (7). The resulting can is less vulnerable compared to known cans at the score line during handling and can thus withstand heavy vertical loads. Moreover more room is provided for a closing chuck at the seaming of the cover.

Une boîte boisson avec un couvercle comporte un anneau d'ouverture (5) et une ligne de rupture (7) au voisinage de la collerette (8) du couvercle et une collerette de fond (9). La distance entre le bec (5b) de l'anneau d'ouverture et la ligne de rupture (7) respecte une longueur (x) faisant qu'il est possible de stocker deux boîtes boisson (1, 1') en pile sans risque d'endommager l'anneau d'ouverture. Lorsqu'on relève la partie levier (5a), l'anneau d'ouverture s'écarte de la distance (x) vers la collerette (8) du couvercle avant de perforer le couvercle le long de la ligne de rupture (7). La boîte boisson ainsi obtenue est moins vulnérable au niveau de la ligne de rupture à l'occasion des manipulations que les boîtes boisson selon l'état antérieur de la technique, ce qui fait qu'elles peuvent supporter des charges verticales plus lourdes. De plus cette conception laisse plus de place libre pour le passage de la sertisseuse de collerette pendant le sertissage du couvercle.

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