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MORAL BORES DAVID
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MORAL BORES DAVID
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Application filed by MORAL BORES DAVIDfiledCriticalMORAL BORES DAVID
Priority to ES0026792UpriorityCriticalpatent/ES26792Y/en
Publication of ES26792UpublicationCriticalpatent/ES26792U/en
Application grantedgrantedCritical
Publication of ES26792YpublicationCriticalpatent/ES26792Y/en
Metallic drum for beds, characterized in that it consists of two frames or metal frames of planes parallel to each other and elastically spaced apart, the lower one, preferably smaller than the upper one, carrying a framework for supporting a series of spiral springs, preferably of semi-hyperboloidal design of revolution, whose turns of smaller diameter remain in the lower part to join the framework of the lower frame, or to the frame itself in the case of turns belonging to contour springs, while the upper turns, or larger diameter, the plane of the upper frame is flushed, only the ones belonging to the contour springs are linked to the frame itself. (Machine-translation by Google Translate, not legally binding)
ES0026792U1951-05-171951-05-17
Metal drum for beds
ExpiredES26792Y
(en)