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PIERO ALBERTO DEL
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PIERO ALBERTO DEL
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Application filed by PIERO ALBERTO DELfiledCriticalPIERO ALBERTO DEL
Priority to ES0051049UpriorityCriticalpatent/ES51049Y/en
Publication of ES51049UpublicationCriticalpatent/ES51049U/en
Application grantedgrantedCritical
Publication of ES51049YpublicationCriticalpatent/ES51049Y/en
Improved fountain pen, characterized in that it comprises a point head applicable to a central body provided with a hollow nail, sharpened for the perforation of the tank lining, which head consists of an external envelope, concentrically to which, the tube is disposed feeder that, in turn, wraps a cylindrical pre-feeding rod provided, at each end, with a series of annular reliefs, linked together by a longitudinal capillary channel, and by a second longitudinal duct with a greater section for the passage of air , having as its object said channel, receive the ink coming from the hollow nail and lead it to the point imprisoned between the feeder and the shell, while the second conduit has the purpose of allowing the passage of the air entering through a radial orifice of the feeder. (Machine-translation by Google Translate, not legally binding)