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Priority to ES0248879ApriorityCriticalpatent/ES248879A1/en
Publication of ES248879A1publicationCriticalpatent/ES248879A1/en
Pneumatic mechanism for time switches essentially characterized by comprising a hollow cylinder and a cap connected hermetically to each other by a sleeve longitudinally connected hermetically to each other by a longitudinally elastic sleeve coupling to the free mouth of the cylinder a valve regulating the outflow of air while through the mouth free of the cap penetrates sliding a tubular body that fits in the internal diameter of the cap and in the cylinder whose tube has a lateral passage that acts as a valve for the entry of air and belongs to a stem that receives the actuating force of the mechanism, which overcomes the resistance of an elastic system provided in said mechanism and once this force has ceased to return the parts moved to their initial position. (Machine-translation by Google Translate, not legally binding)
ES0248879A1959-04-031959-04-03Pneumatic mechanism for time switches (Machine-translation by Google Translate, not legally binding)
ExpiredES248879A1
(en)
Overpressure valve for hydraulic lifting devices in particular for hydraulic mine stemples (Machine-translation by Google Translate, not legally binding)