초록 ▼

A road resurfacing or repaving machine is disclosed. The machine is self-propelled, and has a chassis. A preliminary heater depends from the machine chassis to provide preliminary heat to the underlying road. A preliminary scarifier breaks up the top of the heated road surface. A main heater behind

A road resurfacing or repaving machine is disclosed. The machine is self-propelled, and has a chassis. A preliminary heater depends from the machine chassis to provide preliminary heat to the underlying road. A preliminary scarifier breaks up the top of the heated road surface. A main heater behind the preliminary scarifier provides a second heating action, and a main scarifier behind the main heater further scarifies the hot road material and the road surface. Spray means sprays liquid asphalt cutback over the hot, scarified material. A first macadam dispensing device behind the spray means dispenses new hot mix material to the hot, sprayed material and road surface to make up solid material lost through pot hole formation or other road deterioration. A first mixer commingles the newly added hot mix with the old, sprayed, scarified material on the road surface. A first screed levels and at least partly compacts this material to form a first lift. Behind the first screed, a second dispensing device deposits additional, entirely new hot mix on the road surface. A second mixing device mixes this additional hot mix material in situ. Finally, a second screed levels and compacts this new hot mix to provide a second road lift.

대표청구항 ▼

A road resurfacing machine comprising, in combination, a chassis, preliminary heater means depending from the chassis and located adjacent the road surface; preliminary scarifier means depending from the chassis and spaced apart from the preliminary neater means for carifying a heated road surface;

A road resurfacing machine comprising, in combination, a chassis, preliminary heater means depending from the chassis and located adjacent the road surface; preliminary scarifier means depending from the chassis and spaced apart from the preliminary neater means for carifying a heated road surface; main heater means depending from the chassis and located adjacent the pavement behind the preliminary scarifier means for heating scarified road material; main scarifier means depending from the chassis and spaced apart from the primary heater means for further scarifying hot road material and the road surface; spray means depending from the chassis for spraying liquid asphalt over hot, scarified material; ramp means located behind the main scarifier means and in front of the spray means; rotor means associated with the ramp means for causing scarified road material to travel up the ramp and for whipping the traveling scarified material through the air past the spray means; first macadam dispensing means carried by the chassis and located behind the spray means for dispensing new hot mix material on the hot sprayed material and road surface; first mixing means located behind the first macadam dispensing means for commingling the the newly-added hot mix material with the hot, sprayed material on the road surface; first screed means connected to the chassis for leveling the hot, mixed material to form a first lift; second macacam dispensing means carried by the chassis and located behind the first screed means for dispensing additional new hot mix material atop the mixed, leveled material on the road surface; second mixing means carried by the chassis behind the second macadam dispensing means for spreading the additional new hot mix material over the first lift; and second screed means connected to the