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Individual
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Individual
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Priority to ES0263724ApriorityCriticalpatent/ES263724A2/en
Publication of ES263724A2publicationCriticalpatent/ES263724A2/en
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Improvements introduced in the object of the main patent No. 249,872, by "Continuous perforated machine", characterized by the addition in the gearbox of a set of pinions so as to obtain the fast speed, the slow speed, the reverse gear and the reverse gear, reversing so that the drill rotates in the working direction but its axis backs up, and the reverse gear acting in such a way as to allow the different sections of the drill shaft to be unscrewed, to facilitate the removal of these. (Machine-translation by Google Translate, not legally binding)
ES0263724A1961-01-021961-01-02Continuous perforated machine (Machine-translation by Google Translate, not legally binding)
ExpiredES263724A2
(en)