The employing of finely-divided and naturally-occurring particulate matter of Trinidad Asphalt to lock or hold the aggregate filler mixture of the pavement mix in position, almost entirely filling the mix with soft bitumen, permitting subsequent compacting (as by rolling) to a state of substantial voidlessness, and thereby achieving a pavement which is both strong with respect to bearing strength yet soft and/or flexible with respect to its tendency to crack, and which will optimize a sort of self-rehealing of the membrane if cracking should start to occur.
A mixer means for asphalt materials, particularly Trinidad Lake Asphalt. It has a revolving rotor assembly which carries longitudinally-extending mixer blades, the blades being perforate and thereby providing more thoroughness of the mixing procedure by which the asphalt particulate chips are caused to go into a sort of suspension in the liquid solvent of other asphalts or oils, even though the mixer blades are substantially larger than the particles being mixed. There are heater coil means extending inwardly from the tank ends, the support of the mixer blades being such as to accommodate the heater means without interference from revolving members of the rotor assembly.
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Leroy Mcallister Principal
McAllister State Farm Ler Ins Agnts and Brkrs · Insurance Agent/Broker