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Priority to ES0064629UpriorityCriticalpatent/ES64629U/en
Publication of ES64629UpublicationCriticalpatent/ES64629U/en
Improved spring for elastic bodies that is characterized by being formed by an elastic rod winding in the shape of a cylindrical helix, whose ends open up to form a single loop in the shape of a ring, then extending into a flat spiral with the end loose core, all this done so that at each end of the spring a head is formed and that these have elasticity both in the area in helix and in the spiral, for which the part in which the ring ends or circular winding of each head and starts the spiral is fixed with a staple that holds the two ends of the loop that form said rings. (Machine-translation by Google Translate, not legally binding)
ES0064629U1958-02-201958-02-20Improved spring for elastic bodies (Machine-translation by Google Translate, not legally binding)
PendingES64629U
(en)
Improvements in the manufacture of wire for its use in the construction of pretensed concrete (Machine-translation by Google Translate, not legally binding)