A BLIND BOARD APPARATUS FOR DECREASIGN BAD SMELL OF DRAINPIPE

摘要

PURPOSE: A screen device for blocking odor from a pipe is provided to automatically discharge sewage flowing in a drain pipe and to reduce odor from the sewage. CONSTITUTION: A screen device for blocking odor from a pipe comprises a metal plate(10), a pipe diameter controller, a first curtain(40), and a second curtain(50). The metal plate is flexibly bent to be inserted into the inner circumference of a drainpipe. The pipe diameter controller is combined in both ends of the metal plate in order to control the distance between both ends of the metal plate.