PIPE COUPLING WITH WATER SEAL BETWEEN THE SINKS OF A DRAINING BOARD AND THE DRAIN PIPE

摘要

AbstractA pipe coupling with a water seal between the sinks ofa draining board and the drain pipe (9), comprising acollecting pipe (4) having connected thereto one or aplurality of jointing pipes (3) for sink connectingtubes (2) and a water seal forming pipe element (7) aswell as a jointing pipe (6) for said drain pipe (9).In order to facilitate the manufacture of a pipecoupling with a single mould and in a single workingcycle, said collecting pipe (4), said jointing pipes(3, 6) and water seal (5, 7) are designed as a singleintegral tubular unit, wherein the water seal comprisesa straight pipe element (7), fitted with a partition(5) and extending downwards to provide a water sealcompartment below the plane of said collecting pipe.