| 摘要 |
Tap for drawing off food liquids, this tap having two plugging devices 18, 19 placed in cascade and actuated by a single pusher 4. It has a common stopper consisting of an elastic component 23 in the form of a thimble. After having torn off the tamperproof skirt 12, pushing in the piston 3 stretches out the elastic component 23. The latter expands, narrows in diameter, which opens the tap. <IMAGE>
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