Patent ID: 6595446
Filing Date: 2003-07-22
Classification: E01C,E02F

Abstract:
A soil modifying machine comprising:a machine body; a hopper through which a soil to be modified is fed to the machine body; a soil conveying means for conveying the soil supplied through the hopper; a soil conditioner supply device for supplying a soil conditioner to the soil; a mixing unit disposed at a discharge portion of the soil conveying means, said mixing unit comprising an outer case, a soil cutter device disposed inside the case and a plurality of impact hammers disposed below the soil cutter device, said soil cutter device comprising a cylindrical drum, a plurality of cutters mounted to an outer peripheral surface of the drum, and a driving means for driving and rotating the drum; and a modified soil conveyor disposed at a discharge portion of said mixer unit; wherein each of said cutters has a portion projecting from the outer peripheral surface of the drum by a length substantially equal to or less than a target particle diameter of the soil to be modified and a minimum distance between the outer peripheral surface of the drum and a conveying surface of the soil conveying means is substantially equal to said target particle diameter.