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Priority to ES1975211331UpriorityCriticalpatent/ES211331Y/en
Publication of ES211331UpublicationCriticalpatent/ES211331U/en
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Publication of ES211331YpublicationCriticalpatent/ES211331Y/en
Drinking fountain for birds, essentially characterized in that it is constituted by a tubular body, blind by one of its mouths in which an orifice is provided through which a rod retained inside the tubular body emerges by means of a head constituted: by an extreme widening in which a peripheral recess is provided that determines a seat for a helical spring inscribed in a truncated cone, whose spring at the end of greater diameter, sits in an internal recess provided in the free mouth of the tubular body, having been arranged conventionally between the head of the shank and the blind mouth of the tubular body a sealing gasket; with the peculiarity that said tubular body externally presents a recess that affects it from its approximate middle part to its free mouth, while in the opposite mouth, through which the stem emerges, it is provided with a bevel. (Machine-translation by Google Translate, not legally binding)
ES1975211331U1975-04-071975-04-07
DRINKER FOR BIRDS.
ExpiredES211331Y
(en)