WATER-DISCHARGE ACCESSORIES OF PLUMBING FIXTURES Russian patent published in 1997 - IPC

FIELD: sanitary engineering; applicable in withdrawal of sewage waters from baths, deepshower baths trays, sinks and wash stands into sewage system. SUBSTANCE: water discharge accessories has siphoning overflow pipe in form of two concentrically arranged pipes. Outer pipe lower end is connected with body, and its upper end is made in form of regulating pipe of smaller diameter. Lower end of inner pipe is made in form of plug with central hole, and the upper end is connected with rod passing inside regulating pipe and ending in handle. EFFECT: higher efficiency. 1 dwg