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Priority to ES1971170886UpriorityCriticalpatent/ES170886Y/en
Publication of ES170886UpublicationCriticalpatent/ES170886U/en
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Publication of ES170886YpublicationCriticalpatent/ES170886Y/en
New closure for container boxes, characterized in that the mouth of the box is constituted by the upper flat edge and of uniform thickness of its walls, with rounded corners in its projection on the floor; and the cover has, in all its contour and equidistant from its edge, a projection that forms the closing rib, intended to fit in said mouth, whose rib has its outer part perpendicular to the cap, and in the interior forms a slope curved and concave towards the center of it. (Machine-translation by Google Translate, not legally binding)
ES1971170886U1971-07-161971-07-16
NEW CLOSURE FOR PACKAGING BOXES.
ExpiredES170886Y
(en)
Improvements introduced in the manufacture of containers and their closures, built with rigid materials (Machine-translation by Google Translate, not legally binding)