Road structure – process – or apparatus – Process – Heating
Patent
1988-06-02
1989-07-25
Massie, Jerome W.
Road structure, process, or apparatus
Process
Heating
404 90, 404 95, 404 77, E01C 2314
Patent
active
048507407
ABSTRACT:
An asphaltic pavement preconditioning machine to remove and grind up old asphalt so that it can be rejuvenated. The method and apparatus heats a strip of asphalt, grinds a first strip portion and moves the ground asphalt to a second strip portion leaving behind an exposed unsoftened layer. Both the ground material and the previously heated unground asphalt in the second strip are then ground. The exposed hard asphalt in the first strip is heated, softened and then ground and moved onto the first strip portion. The heat from the ground asphalt lying over the center strip portion softens the unground asphalt there which is subsequently ground together with the ground material and left for further processing.
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Massie Jerome W.
Smith Matthew
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