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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0020191UpriorityCriticalpatent/ES20191Y/en
Publication of ES20191UpublicationCriticalpatent/ES20191U/en
Application grantedgrantedCritical
Publication of ES20191YpublicationCriticalpatent/ES20191Y/en
PERFECTED TERRACE, consisting of a tubular body whose head is reduced in diameter for the passage of the calibration nut that is screwed to an external male thread and that internally carries the matrix thread, which is characterized by both being interrupted by cuts in number, shape and variable arrangement, parallel to the generatrix of the cylinder, and that by their peculiar ogival profiles, allow the sharpening of the tap, without diminishing the resistance of the tool. (Machine-translation by Google Translate, not legally binding)