MIXING MACHINE Russian patent published in 2014 - IPC B01F7/16 

FIELD: transport.

SUBSTANCE: mixing machine includes cylindrical immovable body. Inside the body there is mixing device with shaft and rotary drive, which device is made in the form of steel band rigidly fixed by its middle part symmetrically as bellow on the lower part of shaft. Free ends of the band are slip-fitted at the top of shaft. The band is placed perpendicular to shaft rotation axis and can contract in vertical position during shaft rotation to contact with inner part of cylindrical immovable body. The band has holes in all surfaces of bellow throughout the height of mixing device. The holes located on opposite surfaces of bellow are mutually symmetrical. Sizes of band holes in upper and lower portions of bellow coincide, and size of holes in bellow middle portion is increased in comparison with them.

EFFECT: higher performance and quality of obtained mixes.

2 cl, 3 dwg