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Di Mauro Di Mauro Natalio
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Di Mauro Di Mauro Natalio
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Priority to ES109461UpriorityCriticalpatent/ES109461Y/en
Publication of ES109461UpublicationCriticalpatent/ES109461U/en
Application grantedgrantedCritical
Publication of ES109461YpublicationCriticalpatent/ES109461Y/en
Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
An improved profiled pencil characterized essentially by the fact that it is constituted by a general tubular casing closed at its upper end by a plug whose upper core forms a cutter for sharpening the mine while the opposite end comprises a nut-cap internally threaded and anchored to the casing by means of a surrounding rib that engages in an annular recess of the inner wall of the casing preventing said engagement the vertical displacement of the casing but not its rotation which is achieved through the maneuver of another piece mounted tightly on said casing and coupling by sheath against the general tubular casing forming this second piece the outlet nozzle of the mine. (Machine-translation by Google Translate, not legally binding)