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SALA SOLER ESTEBAN
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SALA SOLER ESTEBAN
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Application filed by SALA SOLER ESTEBANfiledCriticalSALA SOLER ESTEBAN
Priority to ES232877ApriorityCriticalpatent/ES232877A1/en
Publication of ES232877A1publicationCriticalpatent/ES232877A1/en
Step valve mechanism for espresso coffee machines comprising an axially displaceable punch valve, which is applied against a seat disposed in the valve body, characterized in that the punch is coupled to the valve body by a bellow-shaped membrane that prevents leakage of fluid and is operated in the sense of opening the valve by an external lever and in the sense of closing the valve by a spring whose pressure is sufficient to ensure the closure of the valve, but not to deteriorate the seat of the same . (Machine-translation by Google Translate, not legally binding)
ES232877A1956-12-221956-12-22Step valve mechanism for express coffee machines (Machine-translation by Google Translate, not legally binding)
ExpiredES232877A1
(en)