A disposal pipe disposal. (Machine-translation by Google Translate, not legally binding)

摘要

A drain tube arrangement, characterized in that it consists of a tube, preferably corrugated, provided with a slit or upper longitudinal opening, on whose edges the lower edges of two parallel metallic strips are radially directed outwards and upwards, between which there are arranged at least two rows, one upper and one lower, of spacing elements, the space existing between the bands constituting the drainage opening of a carriageway or similar surface when the upper edges of said strips are arranged flush with the wall. Surface of the floor with the tube duly buried and filled, also serving the distance elements as reinforcements of the assembly and constituting at the same time a grid that prevents the entry into the tube of materials of excessive size. (Machine-translation by Google Translate, not legally binding)