Squares structure of drainage facilities, elbow joints, operating device, and method of operation of the elbow joint.

摘要

PROBLEM TO BE SOLVED: To improve workability of inspection and cleaning of drainage equipment by enabling the inspection and cleaning of the drainage equipment to be sanitarily performed with ease.;SOLUTION: A basin structure 1 of drainage equipment includes: a bottomed hollow basin body 1a which has a cleaning hole 2 opened in an upper part, which has an outlet 7 formed in one side part, and which has an inlet 6 formed in the other side part; an elbow joint 10 which is detachably fitted into the outlet 7 in the basin body 1a and which is bent downward within the basin body 1a; and a grip part 11 which is attached to an outer surface part of the elbow joint 10.;COPYRIGHT: (C)2014,JPO&INPIT