DEVICE FOR CLEANING FROM SEWAGE CONTAMINATIONS Russian patent published in 2008 - IPC B08B9/27 E03F7/08 

FIELD: technological processes.

SUBSTANCE: device contains rod-pusher, adaptor-plunger with sponge-suction cup, which forms single and tight connection to cleaned object. Adaptor-plunger is cast from top in the form of cylinder, casing of adaptor-plunger is molded in the form of cup with bottom formation of sponge-suction cup. Casing of adaptor-plunger is made with opening that is equipped with valve, sponge-suction cup is made in the form of annular cup with sharpened edges, two cylindrical cavities, which are separated with partition, are arranged in cylindrical part of adaptor-plunger, which is molded as a whole with cup. At that in the top cavity the bottom end of rod-pusher is located, and bottom cavity is connected with cup opening and has additional side opening, which is arranged with the possibility of connection with flushing liquid.

EFFECT: invention provides expansion of device functional resources; increase of cleaning efficiency and simplification of design.

5 cl, 1 dwg, 2 ex