Apparatus for producing hot mix asphalt utilizing recyclable asphalt aggregate
US4075710A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1977 |
| Grant date | Feb 21, 1978 |
| Priority date | — |
| Expiry date | Mar 7, 1997 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2019/1095
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus for producing hot mix asphalt utilizing new aggregate and a previously manufactured and layed asphalt mix which has been reduced to form recyclable aggregate, comprising a cylindrical mixer drum supported for rotation about its longitudinal axis, a burner assembly for producing a flame in the drum extending from a first end of the drum to a medial portion thereof, a conveyor assembly extending from a second end of the drum to a medial portion thereof for feeding the recyclable aggregate into a medial portion of the drum, means for feeding the new aggregate into the first end of the drum and for injecting asphaltic oil into the drum, the drum being provided with a plurality of mixing flights for mixing the asphaltic oil, new aggregate and recyclable aggregate for discharge as a hot mix asphalt from the second end of the drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.