CONCRETE MIXER Russian patent published in 2018 - IPC B28C5/26 

FIELD: construction.

SUBSTANCE: rotating mixing drum of the concrete mixer is installed on support rollers mounted on the frame and has a round, discharge hole in the center of the base. A discharge funnel of a circular shape is fixed to the base on the outside around the hole. A closing valve, in the form of a hollow cylinder without a base, closing the discharge hole of the mixing drum from the inside, is movably attached to the breech mechanism with the possibility to move up and down and rotate around the vertical axis. In closed position, the closing valve rotates together with the mixing drum around the vertical axis.

EFFECT: simplification of maintenance and operation of the concrete mixer by improving the quality of mixture discharge from the concrete mixer.

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