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Priority to ES1980254264UpriorityCriticalpatent/ES254264Y/en
Publication of ES254264UpublicationCriticalpatent/ES254264U/en
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Publication of ES254264YpublicationCriticalpatent/ES254264Y/en
Improved roll-up device, essentially characterized in that it is constituted by a series of profiles, in parallel arrangement, which have a front plane and side wings in divergence with their free edges configured as loops oriented inward between which with a longitudinal groove facing said plane, comprising in combination a series of complementary staples having their ends constituted by antlagonic loops with respect to the loops of said profiles, through which a transverse connection is established between the latter by means of the sliding coupling, as length of the slot of each profile, of the end loops of one in the corresponding loops of the profiles in it being secured in, the retention of the staples by the mechanical deformation of the loops of the profile. (Machine-translation by Google Translate, not legally binding)