Title: Recycled asphalt-aggregate process and apparatus

Abstract: In a process for recycling asphalt and aggregate containing composition, the improvement comprises separating the composition into a plurality of portions having different particle sizes, ranging from coarse to fine, introducing the particle portions into different mixing and heating drums, one of the drums being for the coarse particle portion, and one or more additional drums for smaller particle portions, and heating the particles in the respective drums with hot gases of combustion at temperatures below that which will burn the asphalt particles in each of the respective drums.

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Inventors: Mendenhall, Robert L. (Las Vegas, NV, US)

Application Number: 868176
Filing Date: 1978-01-09
Publication_date: 1980-02-19
Assignee:
Primary Class(es): 366/7 106/284.01, 366/8, 366/25
Other Classes:
US Patent Ref:

1836261	Dec, 1931	Madsen	366/8.
3482824	Dec, 1969	Lehman et al.	366/7.
3845941	Nov, 1974	Mendenhall	366/24.
3866888	Feb, 1975	Dydzk	366/25.
3971666	Jul, 1976	Mendenhall	106/281.
3999743	Dec, 1976	Mendenhall	366/25.
4025057	May, 1977	Shearer	366/25.
4103350	Jul, 1978	Brock et al.	106/281.
4153471	May, 1979	Mendenhall	106/281.

Other Refs:
Primary Examiner: Yuen, Henry C.
Assistant Examiner:
Attorney: Seiler & Quirk