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Priority to ES111248UpriorityCriticalpatent/ES111248Y/en
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Publication of ES111248YpublicationCriticalpatent/ES111248Y/en
A connecting device for spiral springs characterized essentially by being constituted by a long rod provided at regular intervals with a series of "U" loops folded on themselves also in a "U" shape, each of which passes from top to bottom by the central opening delimited by the superposition of the upper rings of the spiral springs engaging with the lowermost ring of those referred to under which the straight sections of the main rod arise on both sides. (Machine-translation by Google Translate, not legally binding)
ES111248U1965-01-291965-01-29
A JOINT DEVICE FOR SPIRAL SPRINGS.
ExpiredES111248Y
(en)