Agitating – Mortar mixer type – Methods
Patent
1989-03-20
1991-02-19
Stinson, Frankie L.
Agitating
Mortar mixer type
Methods
366 26, 366 27, 366 41, 366146, 366348, B01F 320
Patent
active
049938398
ABSTRACT:
A method and apparatus for producing asphaltic mix for roadway use is disclosed, and which comprises a primary plant which is designed to be located remote from the point of use, and a separate satellite plant which is designed to be located relatively close to the point of use. The primary plant heats and dries the stone aggregate, segregates the aggregate by size, and mixes the aggregate with a small amount of liquid asphalt so as to suppress the dust. The resulting pre-mixed product of the primary plant is then transported by truck to the satellite plant, where it is stored and then mixed with a further quantity of liquid asphalt to render the mix suitable for roadway use. The primary plant performs the functions which require substantial equipment and space, and which have the more significant environmental impact, whereas the satellite plant may be relatively small and inexpensive, and its operation makes no significant environmental impact. As a result, the satellite plant can usually be located very near the point of use, thereby reducing transportation costs.
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Astec Industries Inc.
Stinson Frankie L.
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