Pressure reinforced plastic container and related method of...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 79/00 (2006.01) B65D 1/02 (2006.01)

Patent

CA 2650587

A plastic container (10) comprises an upper portion (12) including a finish (14) adapted to receive a closure, a lower portion (16) including a base (18), and a sidewall (20) extending between the upper portion and the lower portion. The upper portion, the lower portion, and the sidewall define an interior volume for storing liquid contents. The plastic container further comprises a pressure panel (22) located on the container and moveable between an initial position and an activated position. The pressure panel is located in the initial position prior to filling the container, and is moved to the activated position after filling and sealing the container. Moving the pressure panel from the initial position to the activated position reduces the internal volume of the container and creates a positive pressure inside the container. The positive pressure reinforces the sidewall. A method of processing a container is also disclosed.

L'invention concerne un récipient en plastique comportant une partie supérieure comprenant un goulot prévu pour recevoir une fermeture, une partie inférieure comprenant une embase et une paroi latérale s'étendant entre la partie supérieure et la partie inférieure. La partie supérieure, la partie inférieure et la paroi latérale définissent un volume intérieur destiné à emmagasiner un contenu liquide. Le récipient en plastique comporte en outre un panneau à pression situé sur le récipient et mobile entre une position initiale et une position activée. Le panneau à pression est situé dans la position initiale avant le remplissage du récipient et est placé dans la position activée après le remplissage du récipient. Le déplacement du panneau à pression de la position initiale à la position activée réduit le volume interne du récipient et crée une pression positive à l'intérieur du récipient, ladite pression positive renforçant la paroi latérale. L'invention concerne également un procédé de traitement d'un récipient.

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