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Individual
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Individual
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Priority to ES0049314UpriorityCriticalpatent/ES49314U/en
Publication of ES49314UpublicationCriticalpatent/ES49314U/en
Improved valve for inflatable bodies, which is characterized by the fact of being formed by a flexible tubular shell with two sectors of different diameter, determinants of an intermediate step, and an inner part, also elastic, with an upper area that sits on said step, an intermediate of smaller diameter than the smaller of the enclosing piece, and another lower one of frustoconical profile that projects from the lower mouth of that and on whose surface the edges of the mouth itself adapt elastically, said internal piece having an axial perforation which extends to its middle zone, where it bifurcates into radial holes that open into the annular space determined by the difference in diameter of the areas of smaller section of the two parts of the valve. (Machine-translation by Google Translate, not legally binding)
ES0049314U1955-07-091955-07-09Improved valve for inflatable bodies (Machine-translation by Google Translate, not legally binding)
PendingES49314U
(en)
Procedure and apparatus for the formation of a necklace in a tube of elastic and deformable material (Machine-translation by Google Translate, not legally binding)