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Conveying screw for loading grains on agricultural vehicle has partially cylindrical formed helix, which is partially formed as brushing helix whereby brushing helix is nylon brushing helix or a polyurethane occupied helix
Conveying screw for loading grains on agricultural vehicle has partially cylindrical formed helix, which is partially formed as brushing helix whereby brushing helix is nylon brushing helix or a polyurethane occupied helix
Conveying screw (3) has a partially cylindrical formed helix, which is partially formed as a brushing helix. The brushing helix is a nylon brushing helix or a polyurethane occupied helix. The outside diameter of the brushing helix is more than the outer diameter of the helix which is not formed as a brushing helix. An independent claim is also included for the following: (1) Bulk material conveyor; and (2) Preliminary purification method.
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