Plastic bag and packaging method using same

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 43/14 (2006.01) B31B 19/94 (2006.01) B65B 43/26 (2006.01) B65D 30/00 (2006.01) B65D 33/00 (2006.01) B65H 23/06 (2006.01)

Patent

CA 2487981

A method of using a plastic bag (10~) for point of sale purchase and a web of continuously attached length of plural bags (10) along a supply length by a perforated tear line (2). A seal (3) which runs codirectionally with the tear line (2) forms a closed bottom for each bag (10~), such that when a bag (10) is separated along the tear line (2) from a remainder of the supply, the bag (10~) is enclosed along three of its four edges enabling containment of produce or other items placed therein via the opening at the fourth, and remaining edge of the bag (10~) which is coextensive with the perforation line (2). The perforation tear line (2) cuts entirely through the continuous web supply of bags (10), however, the perforation along one side the bag (10~) is broken, such that the bag 10~) presents an open flap (4) through which contents can be added.

L'invention concerne un procédé pour utiliser un sac en plastique (10') lors d'achats sur point de vente et une bande de plusieurs sacs attachés en continu (10), chaque sac (10') étant séparé des sacs adjacents (10) le long d'une longueur de rouleau par une ligne perforée (2). Un scellement (3) s'étendant dans la même direction que la ligne perforée (2) forme un fond fermé pour chaque sac (10'), de sorte que, lorsqu'un sac (10') est séparé d'un reste de rouleau le long de la ligne perforée (2), ce sac (10') est scellé le long de trois de ses côtés, de façon à pouvoir contenir des produits ou d'autres articles placés à l'intérieur de ce sac par l'ouverture formée sur le quatrième bord du sac (10') s'étendant dans la même direction que la ligne perforée (2). Cette ligne perforée (2), le long d'un côté du sac (10'), se détache entièrement du rouleau de sacs en bande continue (10), de sorte que le sac (10') présente un rabat ouvert (4) par lequel des articles peuvent être introduits.

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