SEWER INLET AND DEVICE FOR PREVENTING BAD SMELL OF DRAIN PIPE AND COUNTERCURRENT OF SEWAGE

摘要

Purpose: an inlet of sewer is suitably provided to Flowing Sewage into a sewer, by closing when being flowed including sewage normal time and the weight by being opened by sewage. Construction: furthermore an inlet of sewer is mounted under an end cap or a honeycomb shaped steel lid and is formed among a lever shape. The movement that the inlet of sewer passes through sewage is operation/closing, will not open a discharge nozzle and an entrance. The inlet of sewer prevents the adverse current of sewage by being installed in inclined state.