Dust free asphalt production method and apparatus
US3940120A · kind A · utility
6Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1974 |
| Grant date | Feb 24, 1976 |
| Priority date | — |
| Expiry date | Aug 5, 1994 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2019/1095
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Method and apparatus for reducing the particulate emission from apparatus producing asphalt-concrete to a level compatible with environmental pollution acceptable limits by forming the moist sticky mixture of bituminous composition and aggregate into a filter veil and directing substantially all of the dust laden heated gas stream passing through the mixing chamber through said filter veil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.