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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Individual
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Individual
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Priority to ES97281UpriorityCriticalpatent/ES97281Y/en
Publication of ES97281UpublicationCriticalpatent/ES97281U/en
Application grantedgrantedCritical
Publication of ES97281YpublicationCriticalpatent/ES97281Y/en
Stopper with automatic closing valve for liquids, which is essentially characterized by being constituted by two pieces of suitable consistent material, duly coupled to each other, of which one is determined by a driving button, of concave-convex general conformation and of rippled or corrugated rim to facilitate handling, this button having a central hole that, on the convex side, is smooth edge, while, by the concave, has means for fixing the second piece, consisting of a tubular body carrier on its wall of windows and holder inside a valve formed by an axially mobile shutter, tensioned by a spring resting on the mouth of said tube opposite its coupling with the maneuver button alluded, being covered the referred side windows with a mesh shirt that works as a filter. (Machine-translation by Google Translate, not legally binding)
ES97281U1963-01-151963-01-15
Cap with automatic shut-off valve for liquids
ExpiredES97281Y
(en)