DEVICE FOR TRANSPORTATION OF MATERIALS Russian patent published in 2013 - IPC B65G33/12 B65G33/24 

FIELD: packaging industry.

SUBSTANCE: device comprises a drive housing (1), a loading (3) and unloading (4) tubes, piping (5) for supplying the working medium. The housing is made of strips (7, 8, 9, 10, 11) of curved shape with different dimensions in width, with their increasing in the length of the housing from loading to unloading, to form along the perimetre of the housing of internal convex curved surfaces with centers of curvature inside the housing and forming the overlaps (12, 13, 14, 15, 16) in the form of helical blades along the length of the housing from loading to unloading. The strips are made on the mandrel in the form of a paraboloid of revolution and are described curved of different order and the degree of curvature.

EFFECT: increased performance of the device.

8 dwg