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PNELMEC IBERICA SA
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PNELMEC IBERICA SA
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Application filed by PNELMEC IBERICA SAfiledCriticalPNELMEC IBERICA SA
Priority to ES1983272954UpriorityCriticalpatent/ES272954Y/en
Publication of ES272954UpublicationCriticalpatent/ES272954U/en
Application grantedgrantedCritical
Publication of ES272954YpublicationCriticalpatent/ES272954Y/en
Preform for the formation of boxes, characterized in that each lateral branch of the lower base of the box is provided with a pair of mutually opposite and symmetrical notches, each of which has an oblique side that extends into a base lower and upper base parallel to a respective lower side of the lower base of the box, these notches substantially constituting the lateral ends of an isosceles trapezoid, and further notches, disposed at the end portions of said branches, shaped like lines of strokes or frets, one of whose bases has a course preferably perpendicular to the respective lower side of the base, the tongues being preferably trapezoidal shaped with rounded corners and provided with at least one window, at least one of whose edges, preferably rectilinear, it is oriented towards the minor edge of said tongue and has an angle of preferably 90 degrees respect to a base of the respective zone. (Machine-translation by Google Translate, not legally binding)
ES1983272954U1983-06-161983-06-16
"PREFORM FOR THE FORMATION OF BOXES"
ExpiredES272954Y
(en)
Couple of alternative equal parts in wedge shape, with stall board function or reference plan (Machine-translation by Google Translate, not legally binding)