Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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SWAIN FRANK EDWARD
Original Assignee
SWAIN FRANK EDWARD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SWAIN FRANK EDWARDfiledCriticalSWAIN FRANK EDWARD
Priority to ES0262058ApriorityCriticalpatent/ES262058A1/en
Publication of ES262058A1publicationCriticalpatent/ES262058A1/en
A butterfly valve device comprising a valve body provided with a circulation passage and an annular recess around this circulation passage, a closure member rotatably mounted on the valve body with its axis of rotation extending transversely to the valve body. Longitudinal axis of said circulation passage and deviated or misaligned in relation to said recess, a radially elastic ring mounted in said recess so as to be capable of radial movement obtaining an elastic mouth constituting an interference fit or seat for about a part of the periphery of the closing member, for sealing or sealing the circulation passage, and means for regulating the natural diameter of the mouth of the ring, obtaining a regulation of the interference fit or seat between the mouth of the ring and the closure member . (Machine-translation by Google Translate, not legally binding)
ES0262058A1960-10-281960-10-28A butterfly valve device (Machine-translation by Google Translate, not legally binding)
ExpiredES262058A1
(en)