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Priority to ES1980253386UpriorityCriticalpatent/ES253386Y/en
Publication of ES253386UpublicationCriticalpatent/ES253386U/en
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Publication of ES253386YpublicationCriticalpatent/ES253386Y/en
New valve for inflatable bodies, of the type in which they present a tube of internal walls screwed helically for the coaxial housing of a cylindrical, threaded cage, for the retention of the valve itself, characterized by the fact that the cage, consisting of a hollow screw, has in its axial central hole that reaches the upper edge of its head with wide flange an annular step that throttles the axial passage thereof in a section of the hollow screw, and the inner wall of this section being strangled helically threaded and it independently of the external thread of the body of the screw and there being from the base of the throttle step to the lower end of the screw a cavity in which it is received, under pressure, from the flexible sleeve carrying the valve of the flexible tongue type, cross section, there is an annular rim, internal, at the lower end of the screw for the support and retention of the illo-valve inserted. (Machine-translation by Google Translate, not legally binding)
ES1980253386U1980-09-251980-09-25
NEW VALVE FOR INFLATABLE BODIES
ExpiredES253386Y
(en)