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HENRION EMILE
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HENRION EMILE
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Priority claimed from FR780696Aexternal-prioritypatent/FR1220037A/fr
Application filed by HENRION EMILEfiledCriticalHENRION EMILE
Publication of ES253732A1publicationCriticalpatent/ES253732A1/es
Perfeccionamientos en los dispositivos de cierre hermético para válvulas de mariposa de contorno ininterrumpido, que consisten esencialmente en practicar en el cuerpo de la válvula una cavidad de forma anular, cerrada exteriormente por un anillo delgado, dispuesto en la zona de contacto de la mariposa y unido al mencionado cuerpo por soldaduras herméticas sin ningún saliente ni sobregrueso, de tal forma que el diámetro interior de este cuerpo sea exactamente el mismo, tanto en el punto donde está colocado el anillo como a cada lado del mismo.
ES0253732A1958-12-031959-11-26Perfeccionamientos en los dispositivos de cierre hermetico para valvulas de mariposa de contorno ininterrumpido
ExpiredES253732A1
(es)
Method of forming the sealing member of valves comprising a body member, a valve closure member and a sealing member interposed between the two valve members