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Priority to ES0069702UpriorityCriticalpatent/ES69702Y/en
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Publication of ES69702YpublicationCriticalpatent/ES69702Y/en
An improved deformable tube, characterized in that it has, at one end, a peak provided with an axial passage and a closing device, and in that the wall of the peak or is provided with an opening in transverse direction, and the closing device is constituted by a bucket-shaped element, prepared to move in the peak, with a perfect fit, while in a part of the element there is an axial passage, in which end steps perpendicular to it, while in a position of the element of closure, the transverse passage of the peak communicates with a transverse passage of the closing element, in such a way that a connection is formed between the interior of the tube and the atmosphere. (Machine-translation by Google Translate, not legally binding)