Method and apparatus for producing hot mix asphalt utilizing rec

Details Method and apparatus for producing hot mix asphalt utilizing rec Method and apparatus for producing hot mix asphalt utilizing rec

1978-02-23

1979-04-03

Christian, Leonard D.

Agitating

Mortar mixer type

With heating or drying

106281R, B28C 122

Patent

active

041474368

ABSTRACT:
An improved method and apparatus for producing hot mix asphalt utilizing new aggregate and a previously manufactured and laid asphalt mix which has been reduced to form recyclable aggregate, wherein the new aggregate is fed into the input end of a rotating mixer drum and cascaded repeatedly through a flame extending from the input end of the mixer drum to a first medial portion thereof and the recyclable aggregate is fed radially into the mixer drum at a second medial portion thereof intermediate the first medial portion and the output end of the mixer drum, the new aggregate shielding the mixer drum from the flame and confining the flame to the portion of the mixer drum between the input end and the first medial portion thereof.

REFERENCES:
patent: 3999743 (1976-12-01), Mendenhall
patent: 4025057 (1977-05-01), Shearer
patent: 4075710 (1978-02-01), Jakob et al.

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