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Priority to ES0074582UpriorityCriticalpatent/ES74582Y/en
Publication of ES74582UpublicationCriticalpatent/ES74582U/en
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Publication of ES74582YpublicationCriticalpatent/ES74582Y/en
Improved return valve, characterized in that it consists of a cup-like piece, with its mouth turned towards the outlet opening of the liquid and arranged so that it can seal hermetically against a seat formed around said opening, whose mouth has a flange external on which rests the closing spring of the valve, said piece being provided with side openings and an elastic sleeve fixed internally to it so as to close said openings, but can be separated from them, giving way to the liquid, in response to the inner pressure of the latter. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of assembly or removal tools of the interior piece of valves for tires. (Machine-translation by Google Translate, not legally binding)