Drum for an asphalt mixing apparatus

Details Drum for an asphalt mixing apparatus Drum for an asphalt mixing apparatus

1979-10-29

1981-10-06

Coe, Philip R.

Agitating

Mortar mixer type

With heating or drying

366 40, 366 57, 432110, 432118, B28C 520

Patent

active

042932289

ABSTRACT:
Annular lands are mounted on the inner periphery of the tubular shell of a drum for an asphalt mixing apparatus of the type wherein the drum is disposed on a slant and rotated so that flighting arranged about the inner periphery of the drum lifts and drops aggregate and asphalt across the drum to transport the aggregate and asphalt toward the lower end of the drum. Portions of the flighting are mounted in the inner periphery of the shell and portions are mounted on the annular lands. The lands reduce the inside diameter of the drum in selected regions thereof to establish differing advance rates of aggregate and asphalt through the drum in different regions thereof so as to selectively vary the density of veils of asphalt and aggregate across the drum with axial location within the drum.

REFERENCES:
patent: 4060042 (1977-11-01), Baraldi et al.
patent: 4174181 (1979-11-01), Garbelman et al.

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