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GRACIA CIGANDA MA NIEVES
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GRACIA CIGANDA MA NIEVES
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Application filed by GRACIA CIGANDA MA NIEVESfiledCriticalGRACIA CIGANDA MA NIEVES
Priority to ES1970163174UpriorityCriticalpatent/ES163174Y/en
Publication of ES163174UpublicationCriticalpatent/ES163174U/en
Application grantedgrantedCritical
Publication of ES163174YpublicationCriticalpatent/ES163174Y/en
Self-Closing Valves And Venting Or Aerating Valves
(AREA)
Abstract
Improved pneumatic valve device, of the type comprising a flexible and retractable embouchure attached to an inflatable article and provided with a stopper, essentially characterized in that said embouchure comprises a conical initial portion followed by a cylindrical section to which a strip is attached at an intermediate point flexible in which is formed a bridge-flange provided with an apprehension flange and to which the plug is retained in a captive manner, which has peripheral retention protrusions in the cylindrical section of the mouthpiece, whose section is insertable in the portion conical of said embouchure to obtain the refolded one that is facilitated by the expressed conicity. (Machine-translation by Google Translate, not legally binding)