Method and apparatus for treating asphaltic concrete paving materials
US4957434A · kind A · utility
10Cited by
9References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1985 |
| Grant date | Sep 18, 1990 |
| Priority date | — |
| Expiry date | Dec 20, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B23/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of heating reclaimed asphalt paving is shown and described. An air sorter removes fine materials from the reclaimed asphalt paving, and an air circulating dryer which utilizes high velocity air impingement, removes the moisture from the material. A conventional combustion heating tunnel is used to raise the temperature of the material to a first desired temperature and a microwave heating tunnel is used to raise the temperature to a final desired temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.