Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Patent
1983-04-20
1985-08-13
Novosad, Stephen J.
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
404 82, 404 84, 404 90, 404 95, 404101, 404108, E01C 2300
Patent
active
045346747
ABSTRACT:
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.
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Cutler Repaving, Inc.
Dang Hoang C.
Novosad Stephen J.
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