FLEXIBLE DRAIN BELLOWS Russian patent published in 2014 - IPC E03C1/22 F16L11/15 

FIELD: construction.

SUBSTANCE: group of inventions relates to drain bellows, more specifically, to sets of flexible drain bellows, having a flexible part with a preferably smooth surface, and methods of assembly and installation of such flexible devices. According to one of versions of realisation, the set of drain bellows comprises a bellows having the first and second ends and a catching part between the first and second ends, a connector with a sanitary device, a Y-shaped fitting and a drain connection, comprising a flexible hose, having preferably a smooth inner surface. One of versions of the method for installation of the drain bellows between the drain of the sanitary device and the outlet end of the drain pipe consists in the fact that they assemble a drain bellows, a connector with a sanitary device is connected to the drain of the sanitary device. The drain connection is matched with the outlet end of the drain pipe, and it is connected to the outlet end of the drain pipe. The first combined end, the second combined end and the outlet end of the Y-shaped fitting determine the first, second and third longitudinal axes. The first and third longitudinal axes determine the first plane, and the second and third longitudinal axes determine the second plane, which is different from the first one.

EFFECT: group of inventions provides for trapping of smokes, gases and smells in a system of drainage pipes.

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