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Ressorts du Nord SA
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Ressorts du Nord SA
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Application filed by Ressorts du Nord SAfiledCriticalRessorts du Nord SA
Priority to ES122697UpriorityCriticalpatent/ES122697Y/en
Publication of ES122697UpublicationCriticalpatent/ES122697U/en
Application grantedgrantedCritical
Publication of ES122697YpublicationCriticalpatent/ES122697Y/en
Composite sheet spring characterized in that it has a metal main or master sheet and two auxiliary metal sheets that extend towards each other from the opposite ends of the master sheet until close to the center of the latter, the main sheet and the auxiliary sheets being joined together by an elastomer layer attached to the opposing surfaces of said sheets. (Machine-translation by Google Translate, not legally binding)
Corrugated cardboard with double trajectory perpendicular, diagonal, inverse and reciprocal in terms of its flat surfaces (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of double structures with imbricated cheurons, particularly for filtration. (Machine-translation by Google Translate, not legally binding)