Method and equipment for producing foam bitumen
US5788755A · kind A · utility
30Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Oct 9, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C19/176
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a method and equipment for producing foam bitumen. Water is mixed to hot bitumen under a pressure which is lower than the prevailing absolute pressure, and after this the pressure is allowed to rise and the flow rate to drop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.