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CODINACH PARAROLS SATURNINO
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CODINACH PARAROLS SATURNINO
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Application filed by CODINACH PARAROLS SATURNINOfiledCriticalCODINACH PARAROLS SATURNINO
Priority to ES0305091ApriorityCriticalpatent/ES305091A3/en
Publication of ES305091A3publicationCriticalpatent/ES305091A3/en
Improvements in the production of file folders, characterized essentially by proceeding as the first operation to cut the support sheet and the corresponding sheet of plastic material that is to form the cover, so that both have the same dimensions, except for what concerns to the width that will be slightly smaller, that of the cover sheet, then proceeding to practice in the support sheet a notch intended to constitute an opening in the flange of the support sheet through which the grasping element has to penetrate. corresponding, carried out, which incorporates the cover sheet on the support by thermoelectric welding of the left edge of the said sheet, leaving a free margin to the left of that. (Machine-translation by Google Translate, not legally binding)
ES0305091A1964-10-101964-10-10Improvements in the folding of folders-archiver. (Machine-translation by Google Translate, not legally binding)
ExpiredES305091A3
(en)