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Priority to ES277643ApriorityCriticalpatent/ES277643A2/en
Publication of ES277643A2publicationCriticalpatent/ES277643A2/en
Improvements in the object of the patent No. 232.129, issued on March 2, 1957, by: "Perfeccionamientos en cardas de chapones", characterized in that the drive of the different groups of flats is effected, by means of appropriate transmissions, from the large drum shaft, and through an independent gear change mechanism for each group, which allows reverse gear and obtain two different speeds in both directions, resulting in four relative speeds of the flats of each group with respect to the large drum. (Machine-translation by Google Translate, not legally binding)
ES277643A1962-05-181962-05-18Improvements in the cards of chapones (Machine-translation by Google Translate, not legally binding)
ExpiredES277643A2
(en)
Improvements in the distribution of movements for a milling machine of the sunderland type (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the process of grinding and cleaning the cylinders of a hanger. (Machine-translation by Google Translate, not legally binding)