Device for tongue and groove pieces of stone material (Machine-translation by Google Translate, not legally binding)

摘要

Device for the tongue and groove of pieces of stone materials, characterized by being essentially constituted by a metal plate symmetrically with respect to its longitudinal axis and curved edges that presents regularly distributed transversal perforations and notches on its edges, whose pieces are housed in boxes practiced in corresponding positions of the areas of the pieces of stone to be coupled so that the cement, when passing through the aforementioned holes and notches, adhere to the metal piece that constitutes a strong core that cooperates to give greater adherence and resistance to the coupling. (Machine-translation by Google Translate, not legally binding)