Pouch and airtight resealable closure mechanism therefor

Details Pouch and airtight resealable closure mechanism therefor Pouch and airtight resealable closure mechanism therefor

B - Operations, Transporting

65

D

B65D 33/24 (2006.01)

Patent

CA 2625574

A pouch has an elongate closure mechanism adapted to provide vacuum retention within an interior of the pouch over an extended period of time when sealed. The closure mechanism includes a first pair of interlocking members that resealably mate together, a second pair of interlocking members that resealably mate together, and a pair of sealing members that form an air tight seal separate from the interlocking members disposed between the first and second pairs of interlocking members. The closure members are connected with opposing panels of the pouch in a manner designed to provide differential opening and closing forces. The pouch may include a check valve and air evacuation channels to aid in evacuating air from the interior.

Sachet doté d'un mécanisme de fermeture sur la longueur pour la conservation sous vide de longue durée. Le mécanisme de fermeture comprend une première paire d'éléments qui s'imbriquent pour la fermeture, une seconde paire d'éléments qui s'imbriquent pour la fermeture et une paire d'éléments de scellement formant une barrière hermétique séparée des deux paires d'éléments pouvant se joindre l'un à l'autre et placée entre elles. Les éléments de fermeture sont placés sur des côtés du sachet qui s'opposent pour créer des forces d'ouverture et de fermeture contraires. Le sachet peut comprendre un clapet antiretour et des canaux d'évacuation d'air pour faciliter l'évacuation de l'air.

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