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Priority to ES1971170837UpriorityCriticalpatent/ES170837Y/en
Publication of ES170837UpublicationCriticalpatent/ES170837U/en
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Publication of ES170837YpublicationCriticalpatent/ES170837Y/en
Improved arrangement for closing container boxes, characterized in that the two parts that are coupled to form it, body and cover, have, perpendicular to the flat edge of their respective mouths, an interior projection, which surrounds it in all its outline, occupying the half the thickness of said edge, whose projections overlap when closing the box; one of them is surrounded in its half on one side by an external projection, which forms a step with the previous one, and occupies the other half of the thickness of said edge; and the inner projection of the other part is surrounded, in the middle of the opposite side, of the corresponding exterior projection; so that the juxtaposed inner projections and the mutually extended exterior projections form the contour of the closure. (Machine-translation by Google Translate, not legally binding)
ES1971170837U1971-07-141971-07-14
IMPROVED PROVISION FOR CLOSING PACKAGING BOXES.
ExpiredES170837Y
(en)