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De Aplicaciones Metalicas S A Cia
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De Aplicaciones Metalicas S A Cia
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Application filed by De Aplicaciones Metalicas S A CiafiledCriticalDe Aplicaciones Metalicas S A Cia
Priority to ES1974199499UpriorityCriticalpatent/ES199499Y/en
Publication of ES199499UpublicationCriticalpatent/ES199499U/en
Application grantedgrantedCritical
Publication of ES199499YpublicationCriticalpatent/ES199499Y/en
Binder, characterized in that it is constituted by a base piece molded in synthetic resins of a substantially rigid type, which has an arched profile with respective lateral flanges parallel to each other by the concave part, plus an elbow fin next to each flange, forming a channel between them and by a closure piece obtained by molding in synthetic resins of semirigid type, which is composed of a series of half-rings parallel and equidistant from each other, connected correlatively by intermediate lateral sections, forming at both ends a terminal angled towards the inside and in the outgoing direction with respect to the half-ring, the intermediate sections including such an elbow, so that the closing piece is assembled in the base piece by means of the longitudinal insertion of the flank provided with intermediate sections, penetrating its elongated terminals in one of the channels of the base piece, while the remaining free ends of the semi-rings they reach the closing position when pressed so that their terminals also enter the corresponding channel, with which they retain sheets of paper or other laminar material, equipped with drills through which the semi-rings pass, achieving the opening of these half-rings through action manual to extract them from them. (Machine-translation by Google Translate, not legally binding)