DRAIN DEVICE AND A SINK CONTAINING SUCH DRAINING DEVICE Russian patent published in 2019 - IPC E03C1/22 E03C1/262 

FIELD: water supply; sewerage.

SUBSTANCE: invention relates to the field of plumbing. Sink comprises a drain device connected thereto, consisting of at least one fluid-transmitting element, and one element, locking liquid passage, from which at least one element is configured to move manually from the position of the device, which transmits liquid between the shell and the drain pipe, into the position, which blocks the passage of liquid, and back by means of the control device. Control device contains a tight device by means of which the drain pipe is tightly attached to the sink. Shell bottom has no sutures, that are ledges, except for transition between bottom and tubular connecting nozzle. Tubular round connecting union, the free end of which narrows inwards and forms a support for the liquid-transmitting element, which rests on the above support, is provided near the hole of the shell. Sink is made from composite material containing polymerised binder and fillers embedded therein.

EFFECT: providing a wide range of possible applications of the shell, ease of cleaning, long service life, as well as eliminated possible problems associated with corrosion.

11 cl, 5 dwg