Patent ID: 6695530
Filing Date: 2004-02-24
Classification: E01C

Abstract:
In an asphalt pavement resurfacing machine having a transport structure, a heater mounted to said transport structure for heating an underlying asphalt pavement surface to form a heated surface, a mill mounted to said transport structure follow said heater and grind said heated surface to form a milled material and to prepare said underlying surface to a preset depth, a rejuvenating fluid sprayer for introducing a rejuvenating fluid to said milled material and a mixer for blending said milled material with said rejuvenating fluid, the improvement comprising:providing said mill with at least two outlets of predetermined breadth; providing a respective height monitor at each of said two outlets for determining the height of milled material being discharged from each outlet; providing respective forward facing inlets into said mixer for receiving milled material from each said outlet as said machine is advanced in said travel direction; providing a respective rejuvenating fluid sprayer for spraying rejuvenating fluid on said milled material adjacent each said outlet; said mixer being a pug mill having a housing with a downwardly facing bottom opening; and, said mixer having a plurality of paddles extending radially from a pug mill shaft housed within said housing, rotatable with said shaft and oriented to blend said rejuvenating fluid with said milled material and to direct a blended material thus formed toward at least one discharge outlet facing rearwardly relative to a travel direction of said resurfacing machine.