Patent ID: 6071040
Filing Date: 2000-06-06
Classification: E01C

Abstract:
A device for applying a mat of aggregate material having an entrained additive as the device is moved along a path, comprising:a hopper for receiving the aggregate material;a spreader for spreading the aggregate material generally transversely relative to the path;a compacting screed for compacting the aggregate material into the mat;a mixing conveyor arranged to convey the aggregate material from the hopper to the spreader and to mix the aggregate material along the length of the conveyor, the conveyor including a pair of spaced apart axially rotatable augers disposed within the hopper and extending generally parallel to the path, the augers defining a remixing zone therebetween wherein the material is desegregated laterally relative to the path as the material is conveyed by the augers; anda conduit in flow communication with an additive source, the conduit having a plurality of nozzles and being disposed to span a portion of the hopper to communicate the additive from the additive source to the aggregate material.