Framework, for erecting simple buildings, is made from rectangular hollow profiles forming uprights and beams, beams being welded at angle to connecting profile which is then inserted into upright, whose end is cut at corresponding angle

摘要

The framework for erecting simple buildings is made from rectangular hollow profiles which form the uprights (21) and beams (22). The beams are welded at an angle to a connecting profile (26). This is then inserted into the upright, whose end is cut at a corresponding angle.