Truck That Flattens Asphalt

In 1934 barbergreene introduced the model 79 asphalt laydown machine, a selfpropelled formless laydown machine with a floating screed tunnicliff, beaty and holt, 1974 1nce then, the basic concept of the asphalt paver has remained relatively unchanged hma is loaded in the front, carried to the rear by a set of flight feeders conveyor belts, spread out by a set of augers, then.