Resealable opening device and package comprising such an opening device

A resealable opening device for a flexible package of collapsible type having a compartment defined by flexible walls, comprising

• a thin-walled body having
• a back surface attachable on one of the flexible walls of the package in a dispensing portion of the package,
• a first hinge joint extending in a first direction and connecting a first section of the thin-walled body with a second section of the thin-walled body, the thin-wall body being intended to be arranged such that the first hinge joint is arranged transversely to a dispensing direction of the package, and
• a second hinge joint extending in a second direction crossing the first hinge joint,
• wherein a locking member is arranged for locking the first section to the second section when the first and second sections are folded towards each other about the first hinge joint, characterized in that the thin-walled body is provided with a third hinge joint extending in a third direction crossing the first hinge joint and arranged at a distance from the second hinge joint,
• wherein the thin-walled body comprises a first end region including a first portion of the first section and a first portion of the second section, an intermediate region including a second portion of the first section and a second portion of the second section, and a second end region including a third portion of the first section and a third portion of the second section,
• wherein the second hinge joint is arranged between the first end region and the intermediate region;
• and the third hinge joint is arranged between the second end region and the intermediate region, and
• wherein the first end region, the intermediate region and the second end region are foldable relative to each other by means of the second and third hinge joints such that the thin-walled body is adaptable to an outwardly bulging shape change of the flexible wall on which the device is intended to be attached.