Perfected advance (canceled) (Machine-translation by Google Translate, not legally binding)

摘要

Advance perfected, characterized by being constituted by a series of hollow profiles that have a cross section formed by a quadrangular inner area (11) whose vertices emerge diagonally v towards the outside two arcs of circumference (12), extending the ends of such arcs of circumference, in respective fins (13) located in a position parallel to the sides of the square (11), whereby and thanks to the grooves formed by the circumferential arcs (12) allows the introduction of the attachment element (14) ) with which the canvas ends, while in the cavities obtained as a consequence of the fins (13), it allows the introduction of substantially prismatic plates (15) provided with threaded holes for the attachment of the angles (16) thanks to which allows the unión of two profiles. (Machine-translation by Google Translate, not legally binding)