PIPE FOR CONSTRUCTION, FORMING THE OUTSIDE OF A PIPE IN THE SQUARE SHAPE AND FORMING THE LATERAL SIDE OF A PIPE IN THE CURVED SHAPE

摘要

PURPOSE: A pipe for construction is provided to minimize the noise caused by rainwater by installing a pipe in zigzags and to prevent the invasion of an outsider through a pipeline by forming the outside of a pipe in the square shape. CONSTITUTION: The pipe for construction(300) comprises the steps of forming upper and lower parts in the square shape, forming a lateral side in the curved shape, forming a nut-shaped inlet on the upper part, forming a bolt shaped outlet on the lower part, and forming a convex part provided with a fastening hole on the upper side to be installed on the lower end of the outlet(200) of the rooftop of a building(100) in zigzags using a set anchor.