System for applying liquid asphalt to a roadbed

Details System for applying liquid asphalt to a roadbed System for applying liquid asphalt to a roadbed

1997-02-20

1999-09-28

Graysay, Tamara L.

Road structure, process, or apparatus

Apparatus

Material distribution means

404101, 239159, 239163, E01C 1918, B05B 120

Patent

active

059576219

ABSTRACT:
A system for applying a liquid material to a roadway surface from a wheeled, motor-driven vehicle, the system comprising a tank for carrying a liquid material, a first spray bar for discharging the liquid material on to the roadway surface and a second spray bar for discharging the liquid material onto the roadway surface which was not covered by the discharge of the first spray bar. The system includes hydraulic motors and pumps for the first spray bar as well as hydraulic motors and pumps for the second spray bar, the second spray bar being independently controllable to apply liquid asphalt or other suitable material to the roadway at different rates than that liquid asphalt being applied by the first spray bar.

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