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STOPPER DEVICE COMPRISING A SUPPORTING CAP, AND CONTAINER PROVIDED WITH SUCH A DEVICE

  • US 20110000872A1
  • Filed: 02/10/2009
  • Published: 01/06/2011
  • Est. Priority Date: 02/11/2008
  • Status: Active Grant
First Claim
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1. A stopper device for stopping a container having a neck of axis Δ

  • , said device comprising;

    an elastomer stopper;

    a cover made of a plastics material that is suitable for covering both the neck and the stopper in place in the neck, and that is provided with locking means for locking it to the neck; and

    a cap that fits over the top of the cover by means of a central stud and that is provided with a peripheral press rim connected to the central stud via at least one connecting web, wherein firstly the connecting web is elastically deformable in a manner such that, under the effect of an axial force, it enables the press rim to be moved axially from a raised position towards a lowered position via an intermediate position, and secondly, over a first deformation range, corresponding to the press rim being moved from the raised position to the intermediate position, said connecting web has a stiffness K1 greater than the stiffness K2 of the web over a second deformation range corresponding to the press rim being moved from the intermediate position to the lowered position.

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