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Valve assembly

  • US 20060113276A1
  • Filed: 12/23/2003
  • Published: 06/01/2006
  • Est. Priority Date: 01/20/2003
  • Status: Active Grant
First Claim
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1. A valve assembly for a substantially elastic drinking mouthpiece of a liquid container, which includes a flexible membrane having at least one valve opening and a substantially rigid membrane supporting element having at least one valve opening, wherein, with the valve assembly being in a closed position, the membrane rests on the membrane supporting element and the valve opening of the membrane is sealingly covered by the membrane supporting element and the valve opening of the membrane supporting element is sealingly covered by the membrane, the membrane being inwardly curved in said closed position, wherein during the external application of pressure to the drinking mouthpiece and/or the application of an underpressure at the membrane side facing away from the membrane supporting element, the membrane is in a resnapped, outwardly curved open position in which the valve openings of the membrane and membrane supporting element, respectively, are released.

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