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Priority to ES0062206UpriorityCriticalpatent/ES62206Y/en
Publication of ES62206UpublicationCriticalpatent/ES62206U/en
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Publication of ES62206YpublicationCriticalpatent/ES62206Y/en
A valve for breathing tubes, essentially constituted by a cylindrical body of elastic material, which closes at one end and ends in a mouth to adapt to the end of the breathing tube, while the other end is closed slightly to limit the stroke of descent of a hollow sphere, which in the upward movement is applied against a valve seat formed by a circular molding, established on the internal face of the cylindrical wall and on its upper part, said cylindrical wall also having a series of holes for allow the passage of air in the opening position of the valve. (Machine-translation by Google Translate, not legally binding)
ES0062206U1957-09-281957-09-28
Valve for breathing tubes
ExpiredES62206Y
(en)