Method and apparatus for establishing aggregate cascade zones in

Details Method and apparatus for establishing aggregate cascade zones in Method and apparatus for establishing aggregate cascade zones in

1978-04-17

1979-11-13

Jenkins, Robert W.

Agitating

Mortar mixer type

Methods

366 25, 366 63, 432 13, 432118, B28C 520

Patent

active

041741811

ABSTRACT:
An improved method and apparatus for producing hot mix asphalt wherein flights provided in a mixer drum for cascading aggregate and asphalt across the mixer drum are constructed to establish a plurality of cascade zones, having differing cascade densities, in different portions of the mixer drum. High density cascade zones are provided to maximize the transfer of heat to aggregate; to shield cooler portions of the drum from hotter portions thereof, and to capture fines which would otherwise pass through the drum.

REFERENCES:
patent: Re29496 (1977-12-01), Baldwin
patent: 1240481 (1917-09-01), Popkess
patent: 3999743 (1976-12-01), Menpenhall
patent: 4075710 (1978-02-01), Jakob
patent: 4095285 (1978-06-01), Malbrunot

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