Feed system for asphalt recycling drum mixers

Details Feed system for asphalt recycling drum mixers Feed system for asphalt recycling drum mixers

1982-02-04

1983-07-26

Coe, Philip R.

Agitating

Mortar mixer type

With heating or drying

366 57, 366228, 366233, B28C 122, B28C 520, B28C 546

Patent

active

043951295

ABSTRACT:
A drum mixer for recycling old asphalt pavement features a stationary shroud enveloping a series of circumferentially spaced feed ports medially of the drum. The old pavement is introduced tangentially into the shroud and then into a series of "hoppers" within the shroud formed about the feed ports and revolving with the drum. The old pavement falls through the feed ports onto the exterior of a conical inner drum and is directed to the downstream end of the latter by flighting thereon where it joins virgin aggregate emerging from the interior of the inner drum.

REFERENCES:
patent: 3999743 (1976-12-01), Mendenhall
patent: 4147436 (1979-04-01), Garbelman et al.
patent: 4165184 (1979-08-01), Schlarmann
patent: 4215941 (1980-08-01), Mendenhall

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