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Individual
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Individual
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Priority to ES1967130973UpriorityCriticalpatent/ES130973Y/en
Publication of ES130973UpublicationCriticalpatent/ES130973U/en
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Publication of ES130973YpublicationCriticalpatent/ES130973Y/en
New case of armable type, which is characterized in that the formative sheet has on its sides two equal projections that fold inwards and an edge flange is stuck in the central part of said sheet in the area that has to constitute the bottom of the box, but not in the line of bending, but both towards the center and section must have the hollow side walls, forming when lifting two rectangular side tubes that have at their ends, on the inside, two flaps with vertical cut and part removed with the purpose of engaging each other to fix the vertical position of said side walls and, on the outside, triangular areas with central fold, to form two small bellows that allow the folding of the flaps of the front ends, the flaps of which they are divided into three parts; one to form the outer face of the wall, another to form the spine thereof and a narrower one for mounting on the latching flaps and forming the inner face of the double wall, there being still a flange to be introduced under said flaps and fix the set. (Machine-translation by Google Translate, not legally binding)
ES1967130973U1967-06-261967-06-26
NEW BUILD-UP TYPE BOX.
ExpiredES130973Y
(en)