Walter Alfmeier Gmbh & Co.

Hoerauf & Kohler Verwaltungs Kg

Heinz A Hofmann

Pneumatic movement damper

A closure assembly for a container includes a filler nipple formed on the container and having an inner wall provided with a depression, a plug unit and an operating lever pivotally supported on the plug unit, and a sealing ring received in a groove of the plug unit. The sealing ring has a radially outwardly expanded sealing state and a relaxed, non-sealing state. A sealing ring actuating device is operatively connected to the sealing ring and the operating lever for moving the sealing ring from one state to another upon movement of the operating lever between an intermediate position and a closed position. A locking bolt arrangement is supported in the plug unit and has an advanced, locking state and a withdrawn, unlocking state. There is further provided a bolt actuating device operatively connected to the locking bolt arrangement and the operating lever for moving the locking bolt arrangement from one state into the other upon movement of the operating lever between an open position and the intermediate position.

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Treuchtlingen, Germany

Heinz A Hofmann