Closure device for a reclosable pouch

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 33/25 (2006.01)

Patent

CA 2526239

A reclosable pouch comprises a body portion having first and second bag walls. A first and a second closure mechanism (238a, 238b) are disposed on internal sides of both the first and second bag walls. The first closure mechanism (238a) includes a firsti, female closure element (244b) and a first male closure element (244a). The second closure mechanism (238b) includes a second female closure element (256b) and a second male closure element (256a). The first male closure element (244a) includes two hook portions (251a, 251b) extending from an end thereof to engage the legs (252, 254) of the female closure element (244b) and the second male closure element (256a) includes only one hook portion (265) extending from an end thereof to engage one of the legs (262, 260) of the second female closure element (256b). The first male closure element (244a) disengages from the first female closure element (244b) with a first external opening force and the second male closure element (256a) disengages from the second female closure element (256b) with a second external opening force that is less than the first external opening force.

La présente invention concerne un sachet dont le corps définit deux parois. Les faces internes des parois du sachet sont pourvues chacune de l'un de deux organes de fermeture. Le premier de ces organes porte un premier élément de fermeture femelle fait d'une première et d'une seconde lèvre définissant entre elle un intervalle, et un premier élément de fermeture mâle. Le second de ces organes porte un second élément de fermeture femelle fait d'une troisième et d'une quatrième lèvre définissant entre elles un intervalle et un second élément de fermeture mâle. Le premier élément de fermeture mâle comporte deux zones en crochet prenant naissance sur l'une de ses extrémités, de façon à se prendre contre l'une des lèvres du second élément de fermeture femelle. Le premier élément de fermeture mâle se dégage du second élément de fermeture femelle sous l'effet d'une première force d'ouverture externe, le second élément de fermeture mâle se dégageant du second élément de fermeture femelle sous l'effet d'une seconde force d'ouverture externe qui est inférieure à la première force d'ouverture externe.

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