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Priority to ES1975213763UpriorityCriticalpatent/ES213763Y/en
Publication of ES213763UpublicationCriticalpatent/ES213763U/en
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Publication of ES213763YpublicationCriticalpatent/ES213763Y/en
Sealing cap for packaging, comprising a tubular cylindrical supplementary neck adjustable to the neck of the container, characterized by having a partition or horizontal membrane with a weakening groove around it, whose membrane or partition divides the cylindrical supplementary neck into two zones: a top with the internal surface of its walls provided with threaded turns, to screw the conventional cap and another lower area in which, in two holes arranged transversely at diametrically opposite points of the walls of the cylinder, they are housed separate latches, end chamfered, and in slope, between whose latches a spring is interposed that, acting by expansion permanently drives both latches to protrude their ends out of the holes that contain them, so that when adjusting the supplementary collar on the neck of the container and press down, the latches will recoil as they pass through the neck, coming back under the top opared lid of the container, without the possibility of the supplementary neck being separated and without the interior of the container being accessible, unless the membrane or partition, which acts as a closure and seal, is broken. (Machine-translation by Google Translate, not legally binding)
ES1975213763U1975-07-041975-07-04
SEALING CAP FOR CONTAINERS.
ExpiredES213763Y
(en)
Improvements introduced in the structure of synthetic material containers subjected to strong interior pressures. (Machine-translation by Google Translate, not legally binding)