Reclosable package and closure strip

Details Reclosable package and closure strip Reclosable package and closure strip

B - Operations, Transporting

65

D

B65D 33/20 (2006.01) B31B 19/90 (2006.01) B65B 61/18 (2006.01) B65D 33/34 (2006.01) B65D 75/44 (2006.01) C09J 7/02 (2006.01) B65B 9/20 (2006.01)

Patent

CA 2424094

A reclosable package (10, 30, 40, 50) includes a pouch of flexible material (12) defining a pocket with an openable mouth, and a reclosable, resealable, resealable closure attached to the flexible material and positioned to secure and seal the mouth of the pocket. The closure includes opposing, parallel strips (18a, 18b) of foam material (402) secured to respective portions of the flexible material and having outer faces arranged to engage one another when the mouth of the pocket is in a closed state. The outer faces of the foam strips each carry an exposed, self-adhesive layer (406) for securing and sealing the mouth of the pocket in its closed state. Such closures are also provided in strip form, and methods of making bags having such closures are disclosed.

L'invention porte sur un emballage refermable (10, 30, 40, 50) comprenant: une enveloppe d'un matériau souple (12) délimitant une poche à orifice ouvrable, et une fermeture refermable fixée au matériau souple et placée de manière à permettre de refermer l'orifice de la poche. La fermeture se compose de deux bandes parallèles opposées (18a, 18b) de plastique expansé (402) fixées aux parties correspondantes du matériau souple et présentant des surfaces extérieures conçues pour pouvoir entrer en contact lorsque l'orifice de la poche est à l'état fermé. Les faces extérieures des bandes de plastique expansé portent chacune des couches autoadhérantes (406) servant à fixer et fermer l'orifice de la poche à l'état fermé. Ces fermetures se présentent sous forme de bandes. L'invention porte également sur les procédés de fabrication de sacs dotés de telles fermetures.

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