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Priority to ES125877UpriorityCriticalpatent/ES125877Y/en
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Publication of ES125877YpublicationCriticalpatent/ES125877Y/en
Physical Or Chemical Processes And Apparatus
(AREA)
Furnace Charging Or Discharging
(AREA)
Punching Or Piercing
(AREA)
Abstract
Improved profile for metal structures, characterized in that in each of the four walls or sides of which the tubular profile of square section consists, there is arranged a row of holes, spaced one from the other located in the longitudinal direction and in the center, being the space that separates the center of some orifices, from the one of the immediate ones, the same measurement that the total width of the tube in which they are practiced, that is the width measured by the outside, from side to side, with the obligatory disposition to the staggered of the orifices of the rows on one side, with respect to the holes of the rows of the adjacent sides, that is interleaving the holes of a row, in the transverse lines that pass through the center point between the centers of the holes on both sides. (Machine-translation by Google Translate, not legally binding)
ES125877U1966-11-241966-11-24
PERFECTED PROFILE FOR METALLIC STRUCTURES.
ExpiredES125877Y
(en)
Improvements introduced in the manufacture of structural elements in the form of an angular section metal bar (Machine-translation by Google Translate, not legally binding)