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Individual
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Priority to ES1986292833UpriorityCriticalpatent/ES292833U/en
Publication of ES292833UpublicationCriticalpatent/ES292833U/en
Improved valve for phonolarinal apparatus, which being of the type in which the hollow body or receptacle constituting the apparatus comprises in its middle zone a radial neck provided with axial passage for entry, of air into the interior of the receptacle, is essentially characterized in that said neck it has a cross recesses in its bottom, with a collar on its neck with a threaded cap for closing the air and a grooved head-grip, the internal base of its flared passage of the valvular device, in its displacements in opening or closing. Inside the neck that contains it. (Machine-translation by Google Translate, not legally binding)
ES1986292833U1986-03-071986-03-07Perfect valve for fonolaringeo apparatus (Machine-translation by Google Translate, not legally binding)
PendingES292833U
(en)
Feeding bottle teat with valve - has valve mounted on perforated partition over bottle-neck to prevent ingress of air to teat but regulating its entry to bottle