Closure device for storage bag

Details Closure device for storage bag Closure device for storage bag

A - Human Necessities

44

B

A44B 19/16 (2006.01)

Patent

CA 2608947

A closure element is used for closing an opening disposed through the flexible sidewall of a storage bag such as those used to store food items. Storage bags of this type provide an internal volume accessible via the opening. The closure element includes a first fastening strip and an interlocking second closure strip. The first and second fastening strips include complementary, engagable first and second closure profiles. To hermetically seal the internal volume, at least a portion of the first or second fastening strip can include a sealant. The sealant can be a displaceable fluid, fluid-like substance, or wax-like substance such as an oil or a gel. When the closure profiles are engaged, the sealant provides an air tight barrier sealing the internal volume.

L'invention concerne un élément de fermeture utilisé pour fermer une ouverture disposée le long de la paroi latérale souple d'un sachet de stockage, tel que ceux utilisés pour stocker des articles alimentaires. Les sachets de stockage de ce type fournissent un volume interne accessible via l'ouverture. Ledit élément de fermeture comprend une première bande de fixation et une seconde bande de fermeture par interverrouillage. Les première et seconde bandes de fixation comprennent un premier et un second profil de fermeture complémentaires pouvant coopérer. Pour fermer hermétiquement le volume interne, au moins une partie de la première ou de la seconde bande de fixation comprend un agent d'étanchéité. Cet agent peut être un fluide déplaçable, une substance du type fluide ou une substance du type cire, telle qu'une huile ou un gel. Lorsque les profils de fermeture coopèrent, l'agent d'étanchéité constitue une barrière d'étanchéité pour le volume interne.

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