FIELD: construction.
SUBSTANCE: concrete mixer of continuous action includes a drum made of sections assembled of two similar subsections made from an even number of at least four similar isosceles triangles alternatively connected along the perimeter of a subsection with four similar equilateral triangles so that small and large end openings are formed in the form of polygons. Two subsections are connected to a section with sides of large end openings. Sections are connected to each other throughout the length of the drum with their sides of small end openings with formation of a multiturn screw drum with mutually directed broken screw lines. Throughout the drum length there mounted is a cylindrical spring with a flat section of turns, which is equipped with a device for changing a pitch of turns by its tension or compression.
EFFECT: improvement of a device.
8 dwg
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Authors
Dates
2015-01-10—Published
2013-08-26—Filed