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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0058574UpriorityCriticalpatent/ES58574Y/en
Publication of ES58574UpublicationCriticalpatent/ES58574U/en
Application grantedgrantedCritical
Publication of ES58574YpublicationCriticalpatent/ES58574Y/en
"DOUBLE CLOSURE DEVICE FOR BAGS NEVERA" of the made in the form of portable suitcase with a waterproof inner lining and with interposition of an insulating layer of multicellular structure, equipped with a waterproof bag to contain the ice and with other waterproof bags for the classification food; characterized in that the double closing of the opening of the bag-cooler is made by virtue of a unfolding of the parts that form the edges of the opening, arranging them so that the action of the external slide fastener of simple rack, causes the approximation and adjustment, one against the other, of the bevels formed on the longitudinal edges of the internal parts or layers formed by splitting or double arrangement of the closing mouth, so that the external mechanical closure when joining together the bends of the internal parts, produces a thermal seal, being between the two layers with independent closure, a space or chamber that contributes to the isolation of the whole bag formed by thermally insulating walls. (Machine-translation by Google Translate, not legally binding)
ES0058574U1957-02-051957-02-05
Cooler bag
ExpiredES58574Y
(en)