| 摘要 |
An automatically closing valve arrangement which can be integrated into a discharging opening of a container, cap or the like, comprising a first valve section (7) with an elastic wall (8) containing a through opening (10), whereby said wall can be shifted from a closed position into a first release position under the effect of pressure stemming from a first differential pressure force exerted on opposite surfaces thereof, and further comprising a sealing tappet (12) on a second valve section (9), whereby said tappet seals the through openinghen the elastic wall is in a closed position. The dimensions of the through opening (10) and the dimensions of the sealing tappet (11) are adapted to each other in such a way that the elastic wall (8) can be placed in a second release position in relation to the sealing element under the effect of a second differential pressure force working in the opposite direction of the first differential pressure force, whereby the second release position presupposes a movement of the elastic wall in an opposite direction to that of the first release position. Pressure compensation occurs inside the container which is fitted with said valve arrangement and deformed under the effect of a pressing force when said pressing force ceases. |
