FIELD: transportation facilities. SUBSTANCE: device has a tube casing with a charging and discharging necks and a transporting spiral placed in it, a drive and a rod disposed in the cavity of the transporting spiral on the opposite side form the drive for axial displacement for the desired depth. EFFECT: simpler design of the device for the transportation of free-flowing cargo. 2 dwg
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Authors
Dates
1994-05-15—Published
1991-09-24—Filed