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 33/25 (2006.01) B65D 33/16 (2006.01) B65D 81/20 (2006.01) A24F 23/02 (2006.01)

Patent

CA 2635086

A pouch has an airtight 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 sealing members that form an air tight seal disposed between the first and second pairs of interlocking members. The closure elements may be connected with opposing sidewalls of the pouch in a manner designed to provide differential opening and closing forces. The pouch may also include a check valve and air evacuation channels to aid in evacuating air from the interior.

Un sac comporte un mécanisme de fermeture étanche de forme allongée et adaptée pour assurer le maintient, du vide dans le sac pendant une période prolongée lorsque le sac est scellé. Le mécanisme de fermeture comprend une première paire d'éléments interreliés qui peuvent être refermés ensemble de manière étanche, et des éléments de fermeture étanche qui forment un joint étanche entre la première et la seconde paires d'éléments interreliés. Les éléments de fermeture peuvent être reliés aux parois latérales opposées du sac de façon à fournir des forces d'ouverture et de fermeture différentielles. Le sac peut également comporter un clapet antiretour et des canaux d'évacuation d'air pour faciliter la mise sous vide de l'intérieur du sac.

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