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Individual
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Individual
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Priority to ES0220055ApriorityCriticalpatent/ES220055A2/en
Publication of ES220055A2publicationCriticalpatent/ES220055A2/en
Improvements introduced in the object of the main patent no. 219.30-3, which refers to: "improvements introduced in the valves of passage for fluids", which are characterized by constituting a valve body in which a double effect device is incorporated and automatic seal formed by a tubular body with a piston housed therein that automatically determines the closure of the conduit upon receiving the pressure of the circulating fluid itself, further characterized by having inlet and outlet holes produced at both ends of the shaft. Control that communicate the fluid retention chamber with the inside of the hollow control. (Machine-translation by Google Translate, not legally binding)
ES0220055A1955-02-111955-02-11Improved in the valves of step for fluids (Machine-translation by Google Translate, not legally binding)
ExpiredES220055A2
(en)