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Priority to ES1966126188UpriorityCriticalpatent/ES126188Y/en
Publication of ES126188UpublicationCriticalpatent/ES126188U/en
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Publication of ES126188YpublicationCriticalpatent/ES126188Y/en
Improved cardboard box that being of the type that has formed the ends by fins obtained by bending the ends of the sides, said fins being comprised between a double wall composed substantially of the fold of the ends of the bottom, characterized because it comprises the provision in the lower external angles of the aforementioned fins of two opposed cuts that form a passage for the internal wall of said head, having practiced the bottom of the box at the height of said cuts, a recess in inclined plane in which it is placed embedded press the anchorage flange established in the internal wall of the front wall. (Machine-translation by Google Translate, not legally binding)
Tool for the formation of a troncoconic portion in a rolled edge of a circular opening metal box. (Machine-translation by Google Translate, not legally binding)