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Individual
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Individual
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Priority to ES0087007UpriorityCriticalpatent/ES87007Y/en
Publication of ES87007UpublicationCriticalpatent/ES87007U/en
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Publication of ES87007YpublicationCriticalpatent/ES87007Y/en
Improved brooch closure, of the type comprising a pair of flat strips, longitudinally provided with ridges and valleys, which fit, respectively, into the valleys and ridges of the opposite twin sheet, with fastening appendages at one of their edges, characterized due to the fact that the ridges are prismatic triangular in shape and on one of their sides, they have an acute angle notch, so that the vertex of the external angle that is formed with the projection of the cut side, is located lower than the vertex. internal angle, being the profile of the side in which the notch appears, zigzagging, in which profile it fits, that of the other opposite twin tape, and interspersed, under pressure, thus leaving the protruding part of the notched, imbricated sides in the incoming part of the notch on the notched side, of the opposite tape. (Machine-translation by Google Translate, not legally binding)