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Priority to ES0317994ApriorityCriticalpatent/ES317994A1/en
Publication of ES317994A1publicationCriticalpatent/ES317994A1/en
Improvements in the automatic closing valves that are characterized in providing the guide support of the obturator, a wide cavity that constitutes the base by which is screwed in the mouth of the lower conduit in which the valve seat is arranged, practiced in said cavity two diametrically opposed flat areas in each of which there is a large rectangular draft that end at the same height of the coupling thread, completing the aforementioned guide support of the obturator, with a tubular extension on its upper part serving as guide to the overflow tube, which in turn constitutes the stem of the obturator, all of which is carried out in such a way that when occupying the obturator its highest position, which corresponds to the open valve, remains such an obturator near or surpassing the upper edge of the valves. lateral drafts. (Machine-translation by Google Translate, not legally binding)
ES0317994A1965-09-301965-09-30Improvements in the automatic closure valves. (Machine-translation by Google Translate, not legally binding)
ExpiredES317994A1
(en)