Application closure to molds intended to conform the interior part of armed or unattended concrete pipes, pretensed or not pretensed, with or without metal soul. (Machine-translation by Google Translate, not legally binding)

摘要

Closure of application to molds intended to form the inner part of reinforced or non-reinforced concrete tubes, prestressed or without prestressing, with or without metal core that is essentially characterized because it is constituted by two connecting rods, which rotate at one end on a shaft mounted on bearings, welded to one of the edges of the opening of the mold, whose connecting rods are joined at the other end by means of another shaft welded thereto, which in turn serves as articulation point to another. Piece that appears welded to the opposite edge of the opening. (Machine-translation by Google Translate, not legally binding)